Fits select 2006-2026 BMW 1 Series, 3 Series, M2, M3, and M4 models. This set of rear lower control arm inner bushings replaces the compliant factory rubber bushings with low-friction, high-precision spherical bearings to eliminate suspension deflection under heavy cornering and braking loads.

By swapping the OEM component for a PTFE-lined spherical bearing, these bushings remove the binding associated with rubber, allowing the control arm to travel smoothly through its range of motion. This upgrade is essential for maintaining consistent camber and toe geometry, providing more predictable handling and increased rear cornering grip. To ensure maximum longevity and minimal NVH (noise, vibration, and harshness), SPL utilizes the largest possible FK bearings with a high-tolerance fit.

• 6061-T6 aluminum bearing shells and spacers for lightweight strength
• FK PTFE-lined spherical bearings (F1 spec, self-cleaning) for maintenance-free operation
• Eliminates OEM bushing deflection and binding for precise dynamic geometry
• Replaces OEM Part Number: 33326770829
• Manufacturer Part Number: SPL RLBI E9X
• Proudly engineered, made, and assembled in the USA
• Sold as a pair

Fits 2016-2025 Mazda MX-5 Miata and 2017-2020 Fiat 124 Spider.

The SPL Parts Rear Knuckle Bushing Kit (SPL RKB ND) provides a precision-engineered solution to eliminate the suspension deflection and compliance inherent in factory rubber bushings. By replacing the OEM rubber-injected bushings and metal sleeves with a full spherical solution, this kit removes the "street-car" mushiness that compromises handling during aggressive driving.

Standard rubber bushings bind and deflect under heavy cornering loads, leading to unpredictable alignment changes and reduced contact patch stability. These spherical bearings provide smooth articulation without adding artificial spring rate, ensuring your suspension geometry remains consistent so you can drive your tires to their full potential grip.

• Replaces compliant factory rubber knuckle bushings with high-precision spherical bearings
• Eliminates suspension binding and unwanted deflection
• Provides consistent alignment geometry under high cornering loads
• Full spherical bearing design for zero-compliance articulation
• Proudly engineered, manufactured, and assembled in the USA
• Manufacturer Part Number: SPL RKB ND

Fits 2013-2026 Scion FR-S, Subaru BRZ, WRX, STI, and Toyota 86/GR86.

SPL Parts Rear Knuckle Bushings (SPL RKB FRS) replace the compliant factory rubber bushings with low-friction, PTFE-lined spherical bearings. By eliminating OEM rubber deflection under heavy acceleration and braking loads, these bushings prevent unwanted geometry changes and stop suspension binding. This ensures the knuckle articulates smoothly through its travel, resulting in sharper throttle response, reduced wheel hop, and significantly improved driver feedback.

Engineered for maximum longevity and performance, these bushings utilize the largest possible FK bearings housed in 6061-T6 aluminum shells. Each housing is precision-cut to a +/- .001" tolerance to ensure a perfect press-fit and reliable operation in high-stress environments.

• Eliminates suspension deflection for consistent alignment geometry
• Precision-machined 6061-T6 aluminum bearing shells (+/- .001" tolerance)
• Maintenance-free, US-made, PTFE-lined FK spherical bearings
• Lightweight design: 0.674 lbs (306g) per set / 0.337 lbs (153g) per side
• Improves throttle and braking response while reducing wheel hop
• Proudly engineered, manufactured, and assembled in the USA
• Manufacturer Part Number: SPL RKB FRS

Fits select 1992-2006 BMW 318i/is/ti, 323i/Ci, 325i/Ci/xi, 328i/Ci, 330i/Ci/xi, M3, and Z3 models.

SPL Parts FKS Series Rear Knuckle Bushings (RKB) replace compliant factory rubber bushings with low-friction, articulating spherical bearings to eliminate bushing flex and reduce suspension bind. These monoball upgrades maintain optimum suspension geometry under heavy loads, removing the unwanted camber and toe changes that occur with OE rubber components during aggressive driving or track use.

Built for durability and precision, these bushings feature FK Racing Bearings with self-lubricating Teflon liners for maintenance-free performance and long service life. The bearing shells are CNC machined from T6061 aluminum to a tolerance of 1/1000th of an inch, ensuring an accurate press-fit and maximum chassis feedback. This kit provides a significant improvement in handling and predictability by providing a solid link between the suspension and the knuckle.

• Replaces soft factory rubber with high-load spherical bearings
• Maintains precise alignment and geometry under cornering loads
• CNC machined T6061 Aluminum shells with 1/1000-inch precision
• FK Racing Bearings with self-lubricating Teflon liners for reduced friction
• Sold as a complete kit for one vehicle
• Engineered and manufactured in the USA
• Manufacturer Part Number: SPL RKB E36

Fits select 1999-2024 Mazda Miata, Nissan 350Z, 370Z, Z, and Infiniti G35, G37, and Q40. SPL PRO Rear Endlinks (RE) are engineered to replace weak factory links and provide the high load capacity required for both OEM and stiff aftermarket sway bars.

These endlinks utilize massive 1/2-inch Teflon-lined FK Rod Ends for maximum durability and maintenance-free operation. To prevent the binding often associated with aftermarket sway bars and lowered ride heights, SPL incorporates custom-made High Misalignment studs that offer 65 degrees of articulation. The 6061 aluminum turnbuckles feature left and right-hand threads, allowing for precise on-vehicle length adjustment to eliminate sway bar preload caused by uneven suspension heights or corner weighting.

• FK 1/2-inch Teflon-lined rod ends for high load capacity and smooth operation
• 6061-T6 aluminum turnbuckles with a black anodized finish
• High misalignment studs provide 65 degrees of articulation to prevent binding
• Adjustable length to eliminate sway bar preload
• Sold as a pair
• Proudly engineered and assembled in the USA
• Manufacturer Part Number: SPL RE Z33

Fits select 2014-2023 Infiniti Q50 and 2017-2022 Infiniti Q60 (V37/CV37 chassis).

SPL PRO rear endlinks (droplinks) provide a necessary upgrade for enthusiasts running stiffer aftermarket sway bars or lowered suspension. These links are length-adjustable, allowing you to eliminate sway bar preload caused by uneven spring settling or corner weighting, ensuring your suspension geometry remains neutral and predictable.

Constructed for maximum durability and precision, these endlinks utilize massive 1/2-inch Teflon-lined FK bearings for exceptional load capacity. The custom heat-treated chromoly high misalignment studs offer up to 65 degrees of articulation, preventing binding even when using aggressive adjustment holes on aftermarket bars. The 6061-T6 aluminum turnbuckles feature left and right-hand threads for easy on-vehicle adjustment without removing the endlink.

• Manufacturer Part Number: SPL RE V37
• Bearings: 1/2" Teflon-lined FK spherical bearings
• Studs: Heat-treated chromoly high misalignment (65° articulation)
• Turnbuckles: Black anodized 6061-T6 aluminum
• Adjustment: Left and right-hand threaded rod ends for precise length setting
• Application: Sold as a pair
• Origin: Designed, engineered, and assembled in the USA

Fits select 2004-2015 Mazda MX-5 Miata and RX-8 models. This kit provides a heavy-duty, adjustable solution for suspension tuning and preload elimination.

SPL Parts PRO series endlinks are designed to withstand the increased loads of stiffer aftermarket sway bars. Utilizing massive 1/2-inch Teflon-lined FK bearings, these links offer superior durability compared to factory ball-joint or plastic-bushed units. The center turnbuckles allow for precise length adjustment, enabling you to eliminate sway bar preload caused by uneven spring settling or specific corner-weighting setups.

To prevent binding during extreme suspension travel, these endlinks feature custom heat-treated Chromoly High Misalignment Studs. These studs provide up to 65 degrees of articulation, ensuring smooth operation even when using the most aggressive adjustment holes on aftermarket sway bars. Whether for a dedicated track build or a high-performance street car, these components provide the articulation and strength required for precise handling.

• Fits front or rear (requires two kits for both ends)
• 1/2-inch Teflon-lined FK bearings for high load capacity
• Heat-treated Chromoly High Misalignment Studs
• 65 degrees of articulation capability
• Length adjustable to eliminate suspension preload
• Sold as a pair
• Made, engineered, and assembled in the USA
• Manufacturer Part Number: SPL RE NC

Fits select 2019-2026 BMW 2 Series, 3 Series, 4 Series, i4, Z4, and Toyota GR Supra. This includes allroad, xDrive, and M-variant submodels where applicable.

SPL Parts Rear Endlinks (RE) are engineered to provide the high load capacity required for stock or stiffer aftermarket sway bars. These links feature massive 1/2-inch FK Rod Ends and custom-machined High Misalignment Studs that offer 65 degrees of articulation. This extreme range prevents the endlinks from binding, even when utilizing the most aggressive adjustment holes on aftermarket sway bars.

These endlinks are fully length-adjustable, allowing you to eliminate sway bar preload. This is a critical adjustment for vehicles with uneven spring settling or those that have been corner-weighted for competitive use. By neutralizing preload, you ensure the suspension reacts consistently in both left and right-hand corners.

• Massive 1/2-inch FK Rod Ends for maximum durability and load capacity
• Custom High Misalignment Studs provide 65 degrees of articulation
• Length adjustable to eliminate sway bar preload and bind
• Sold as a pair
• Manufacturer Part Number: SPL RE G29
• Designed, engineered, and assembled in the USA

Fits select 2008-2026 Subaru Impreza, WRX, STI, and BRZ, Toyota 86 and GR86, and Scion FR-S.

SPL Parts PRO Rear Endlinks (RE) are engineered to withstand the increased loads of stiff aftermarket sway bars while providing the adjustability needed for precision suspension tuning. These links feature a length-adjustable design that allows you to eliminate sway bar preload caused by uneven spring settling or corner-weighting, ensuring your suspension geometry remains neutral at static ride height.

Constructed for both street and competitive race applications, these endlinks utilize massive 1/2-inch FK Teflon-lined bearings for maximum load capacity and longevity. The custom heat-treated Chromoly high-misalignment studs provide an extreme 65 degrees of articulation, preventing binding even when using various adjustment holes on aftermarket bars. Each set is finished with machined 6061-T6 aluminum spacers and high-strength Grade 10.9 hardware.

• Replaces restrictive factory endlinks with high-articulation adjustable units
• 1/2-inch FK 2-piece Teflon-lined bearings for high load capacity
• Heat-treated Chromoly studs offer 65 degrees of articulation to prevent binding
• Length adjustable to eliminate sway bar preload
• Machined 6061-T6 aluminum spacers and Grade 10.9 hardware
• Sold as a pair
• Proudly engineered and made in the USA
• Manufacturer Part Number: SPL RE FRS

Fits select 2015-2026 BMW M2, M3, and M4 models (including Base, Competition, CS, CSL, and GTS trims).

SPL Parts Rear Swaybar Endlinks (SPL RE F8X) are engineered to eliminate suspension preload and prevent binding, which is critical for vehicles with lowered ride heights or upgraded sway bars. These length-adjustable endlinks allow you to neutralize the sway bar after corner weighting or spring settling, ensuring the suspension performs predictably in both street and race environments.

• FK Teflon-Lined Bearings: Massive 1/2-inch FK bearings provide high load capacity and durability while maintaining smooth, quiet operation.
• High-Articulation Studs: Custom heat-treated Chromoly high-misalignment studs provide 65 degrees of articulation to prevent binding, even when using extreme adjustment holes on aftermarket bars.
• Billet Construction: Black anodized 6061-T6 aluminum turnbuckles feature left- and right-hand threads for precise, on-car length adjustment.
• USA Quality: Proudly engineered, manufactured, and assembled in the USA.

Sold as a pair.

Fits select 2012-2021 BMW 2 Series, 3 Series, and 4 Series models (F22, F23, F30, F31, F32, F33, F34, F36).

SPL Parts Rear Swaybar Endlinks are designed to eliminate sway bar preload and handle the increased stresses of high-rate aftermarket sway bars. These endlinks feature massive Teflon-lined FK 1/2-inch bearings for maximum load capacity and durability. The custom heat-treated Chromoly high-misalignment studs provide up to 65 degrees of articulation, preventing the endlink from binding even when using aggressive adjustment holes on aftermarket bars.

The turnbuckles are machined from black-anodized 6061-T6 aluminum and utilize left- and right-hand threads for easy, on-car length adjustment. This allows for precise tuning to correct uneven suspension heights resulting from spring settling or corner weighting. Designed for both high-performance street and dedicated race applications.

• FK 1/2-inch Teflon-lined spherical bearings
• 65-degree articulation Chromoly studs
• Black Anodized 6061-T6 aluminum turnbuckles
• Length adjustable to eliminate sway bar preload
• Sold as a pair
• Made in the USA
• Manufacturer Part Number: SPL RE F3X

Fits select 2006-2013 BMW 1 Series and 3 Series (E8X/E9X) including 128i, 135i, 1M, 325i, 328i, 330i, 335i, 335d, and M3.

SPL Parts Rear Swaybar Endlinks (RE) are engineered to eliminate sway bar preload, which often occurs due to uneven spring settling or suspension corner weighting. These adjustable links are essential for maintaining neutral handling on lowered vehicles or those utilizing stiffer aftermarket sway bars. By replacing the flexible factory components, these endlinks provide more direct suspension feedback and increased durability.

• Massive Teflon-lined FK 1/2-inch bearings for maximum load capacity and longevity
• Custom heat-treated Chromoly high-misalignment studs provide up to 65° of articulation to prevent binding
• Black Anodized 6061-T6 aluminum turnbuckles offer high strength and corrosion resistance
• Left and right-hand threads allow for precise, on-car length adjustment
• Designed for both high-performance street and dedicated race applications
• Sold as a pair
• Engineered and manufactured in the USA
• Manufacturer Part Number: SPL RE E9X

Fits 2023-2026 Toyota GR Corolla (Circuit Edition, Core, Morizo Edition, Premium, and Premium Plus).

SPL Parts rear adjustable sway bar endlinks replace factory rubber bushings with high-strength spherical bearings to increase sway bar effectiveness and response. These endlinks are essential for maintaining proper suspension geometry on lowered vehicles or those equipped with stiffer aftermarket sway bars. By replacing the OE ends, these units eliminate the flex inherent in rubber bushings, providing a more direct transfer of energy to the sway bar.

Unlike the fixed-length OEM components, SPL endlinks allow you to precisely dial out sway bar preload that occurs due to manufacturing tolerances or corner weights. This adjustability is critical for properly corner balancing vehicles equipped with ride-height adjustable coilovers, ensuring consistent handling performance between right-hand and left-hand turns.

• Massive 1/2-inch PTFE-lined FK bearings provide high load capacity and maintenance-free operation.
• Custom heat-treated chromoly high-misalignment studs allow for up to 65° of articulation to prevent binding.
• Adjustable design enables setting the ideal bar angle and eliminating unwanted preload.
• Proudly made, engineered, and assembled in the USA.
• Manufacturer Part Number: SPL RE E210

Fits 2016-2024 Chevrolet Camaro (6th Gen) and 2016-2019 Cadillac ATS models on the Alpha platform.

SPL Parts Rear Endlinks are engineered to eliminate sway bar preload, a common issue caused by uneven spring settling or suspension height variations from corner weighting. By allowing for precise length adjustment, these links ensure your sway bar remains neutral at static ride height, providing consistent handling characteristics for both street and track applications.

• FK 1/2-Inch Bearings: Features massive Teflon-lined FK rod ends to provide maximum load capacity and durability when paired with stiff aftermarket sway bars.
• High Articulation: Custom heat-treated Chromoly high misalignment studs offer up to 65 degrees of articulation, preventing endlink binding even when using the most aggressive sway bar adjustment holes.
• 6061-T6 Aluminum Turnbuckles: Black anodized turnbuckles utilize left and right-hand threads for simple, precise on-car adjustments without requiring removal.
• Direct OE Replacement: Replaces factory rear endlinks with high-strength, race-grade components designed to maintain alignment settings under extreme loads.

Manufacturer Part Number: SPL RE CAM6
Kit Includes: One pair of rear sway bar endlinks.
Manufacturing: Engineered, assembled, and proudly made in the USA.

Fits select 1997-2013 Porsche 911, Boxster, and Cayman models.

The SPL Parts Front Lower Control Arm Kit (FLCAK) is a comprehensive suspension upgrade designed to significantly improve front-end mechanical grip and steering precision. By replacing the compliant factory rubber bushings with high-performance hardware, this kit eliminates the deflection and binding that leads to camber loss, bumpsteer, and vague steering feedback under heavy cornering or hard braking.

Constructed with PTFE-lined, F1-spec FK USA spherical bushings, this kit allows the suspension to articulate freely without the undampened spring forces of rubber. This design provides drivers with a more direct connection to the road and a more stable platform during high-speed maneuvers. The kit offers extensive adjustability, allowing for fine-tuning of track width, camber, caster, roll center, and anti-dive to suit specific aerodynamic loads or tire compounds.

• Precision Bearings: Features PTFE-lined FK USA spherical bushings for low-friction, bind-free movement.
• Full Adjustability: Dial in track width, camber, caster, roll center, and anti-dive geometry.
• Improved Stability: Eliminates bushing deflection to maintain alignment settings under load.
• Quality Construction: Engineered, manufactured, and assembled in the USA.
• MPN: SPL LCAK 996

Fits select 1989-1996 Nissan 240SX (S13) and 300ZX (Z32) models equipped with HICAS.

The SPL Parts HICAS Eliminator Kit (HCK) provides a complete solution for deleting the factory High Capacity Actively Controlled Steering (HICAS) system. By removing the rear-wheel steering feature, this kit provides a more linear driver feel and prevents unwanted rear steering intervention during counter-steering and drifting. This kit replaces the OEM HICAS ball joints and high-maintenance hydraulic components with precision motorsport hardware.

Constructed with gun-drilled 2024 Aluminum center links and 6061-T6 billet aluminum bearing shells, this kit is engineered for maximum strength and weight reduction. The SPL design eliminates the need for traditional jam nuts; instead, it utilizes a 360-degree rotating clamp system with Blue Anodized Titanium socket head cap screws. Alignment adjustments are easily secured with a standard 3/16-inch allen key, ending the struggle of tightening nuts while maintaining bearing orientation.

• Replaces rear HICAS steering with adjustable toe links for a more predictable chassis.
• Gun-drilled 2024 Aluminum center links with Blue Anodized Titanium hardware.
• FKS series Monoball Bushings feature FK Racing Bearings with self-lubricating Teflon liners.
• CNC-machined 6061-T6 billet aluminum bearing shells held to 1/1000th-inch tolerances.
• Includes HICAS hydraulic pump loop delete fittings (for hydraulic models).
• Proudly engineered and manufactured in the USA.
• Manufacturer Part Number: SPL HCK Z32D

Fits select 2007-2025 Nissan 370Z and Z, and Infiniti G35, G37, Q40, Q50, and Q60 models.

SPL Parts Front Upper Control Arms (FUA) provide precise camber and caster adjustment for both track-focused and lowered street vehicles. These arms feature a revolutionary slotted design that eliminates the need for bulky, hard-to-reach jam nuts. Using hex cap Double Adjusters, technicians can set alignment specs while the arms remain fully attached to the chassis, significantly reducing time on the alignment rack.

Built for durability and performance, these arms utilize fully encapsulated spherical bearings at the upright mount. This design offers superior strength and eliminates the rod end bending issues common in inferior aftermarket arms. Engineered and assembled in the USA, this kit is the definitive solution for correcting suspension geometry and maximizing tire contact patches.

• Dual chassis mount adjusters for on-car camber and caster tuning
• Hex cap Double Adjusters eliminate traditional jam nuts
• Fully encapsulated spherical bearings for maximum rigidity and strength
• Provides camber gain for racing or correction for lowered ride heights
• Proudly engineered and manufactured in the USA
• Manufacturer Part Number: SPL FUA Z34

Fits 2009-2024 Nissan GT-R (R35) models including Premium, Black Edition, Nismo, and Track Edition.

SPL Parts Front Upper Control Arms (FUA) provide high-precision camber and caster adjustment for the Nissan R35 GT-R. Engineered for both competitive track use and lowered street vehicles, these arms utilize dual chassis mount adjusters that allow for full alignment changes while the components remain attached to the vehicle.

The innovative slotted arm design eliminates the need for cumbersome, hard-to-reach jam nuts. Instead, technicians can simply turn the hex cap Double Adjusters to reach the desired length and lock settings in place using an allen wrench. This design significantly reduces time spent on the alignment rack, letting you focus on the drive. To ensure durability under high cornering loads, the arms feature a fully encapsulated spherical bearing at the upright, preventing the rod end bending issues common in other aftermarket designs.

• Manufacturer Part Number: SPL FUA R35
• Provides independent camber and caster adjustment for track grip or lowering correction
• Slotted arm design with hex cap Double Adjusters for rapid alignment
• Fully encapsulated spherical bearings for maximum strength and rigidity
• Eliminates rod end bending and deflection
• Designed, engineered, and assembled in the USA

Fits 2015-2023 Ford Mustang S550 (EcoBoost, GT, V6, and Bullitt). SPL Parts Front Lower Control Arms (FLCA) provide precise roll center, camber, and track width adjustment while ensuring full articulation and optimal ball joint angles for performance driving and track applications.

These arms eliminate the need for traditional jam nuts by utilizing the SPL Parts exclusive Double Adjuster. This component is machined from 4130 Chromoly, gun-drilled for weight reduction, and electroless nickel-plated for superior corrosion resistance. The rotating clamp design allows for quick, secure alignment adjustments using a single pinch bolt, preventing the bearings from rotating out of orientation during tightening.

To minimize unsprung weight, the kit includes blue anodized titanium hardware and stainless steel spacers. The included 1/4" and 1/8" spacers allow for roll center correction on lowered vehicles, helping to restore suspension geometry and reduce body roll.

• Provides camber, track width, and roll center adjustment
• 4130 Chromoly gun-drilled Double Adjuster for high strength and low weight
• Blue anodized titanium hardware and stainless steel spacers included
• Includes 1/4" and 1/8" spacers for geometry correction
• Electroless nickel plating for long-term durability
• Proudly made, engineered, and assembled in the USA
• Manufacturer Part Number: SPL FLCA S550

Fits select 2021-2026 BMW M2, M3, and M4 models (Base, Competition, CS, and CSL).

SPL Parts Front Lower Control Arms (FLCA) provide the precision adjustment necessary to optimize the suspension geometry on the BMW G8X chassis. These arms offer significant roll center, camber, and track width adjustment, allowing drivers to correct alignment settings on lowered vehicles and maintain an ideal tire contact patch. The design ensures full articulation with proper ball joint angles, replacing factory rubber bushings with high-quality bearings for increased steering response and feedback.

Built for ease of use, these arms feature the exclusive SPL Parts Double Adjuster. Machined from 4130 Chromoly, the adjuster uses a slotted arm design with pinch bolts and rotating clamps. This system eliminates the need for traditional jam nuts, preventing the common frustration of fumbling with multiple wrenches or losing bearing orientation during tightening. Every set includes a ride height sensor bracket to maintain factory sensor locations and ensure consistent operation of BMW chassis electronics.

• Provides roll center, camber, and track width adjustment
• 4130 Chromoly Double Adjuster for high strength and precision
• Slotted arm design with pinch bolts eliminates jam nuts
• Includes ride height sensor bracket to maintain factory geometry
• Designed for full articulation and proper ball joint alignment
• Proudly engineered and manufactured in the USA
• Manufacturer Part Number: SPL FLCA G8X

Fits 2019-2026 BMW Z4 and 2020-2026 Toyota GR Supra.

SPL Parts Front Lower Control Arms (FLCA) provide high-precision adjustment for roll center, camber, and track width while maintaining proper ball joint angles for full articulation. Designed to replace restrictive factory bushings, these arms utilize low-friction FK Rod Ends and high-misalignment spherical bearings to eliminate suspension flex and binding, providing more consistent handling and steering feedback.

The main arm features a slotted design with SPL's exclusive Double Adjuster system. This rotating clamp design locks down alignment settings without the use of traditional jam nuts, allowing for easier adjustments in tight spaces. The Double Adjuster is machined from gun-drilled 4130 Chromoly for maximum weight reduction and electroless nickel-plated for superior corrosion resistance. Blue Anodized Titanium hardware is used to further reduce unsprung weight without sacrificing structural integrity.

• 6061-T6 Billet Aluminum construction with Blue Anodized Titanium hardware
• Gun-drilled 4130 Chromoly Double Adjuster with electroless nickel plating
• Rotating clamp design enables quick alignment adjustment without jam nuts
• Teflon-lined FK high-misalignment spherical bearings and rod ends
• Multiple Stainless Steel spacers included for precise roll center correction on lowered vehicles
• Sold as a pair
• Made in the USA
• Manufacturer Part Number: SPL FLCA G29

Fits 2013-2026 Subaru BRZ, Toyota 86, Scion FR-S, and GR86 models. The SPL Front Lower Control Arm (FLCA) kit is a comprehensive suspension solution for optimizing the front geometry of the ZN6 and ZN8 chassis for track, drifting, or performance street use.

This kit allows for precise adjustment of track width, camber, caster, roll center, and anti-dive. By replacing the factory arms, you eliminate soft OEM bushing flex, resulting in sharper steering response and consistent handling under heavy braking and high-load cornering. The adjustable design enables proper front camber settings (typically -2.5° to -4.0°) to maximize the contact patch and extend tire life during track use, far exceeding the limited factory adjustment range.

• Camber Adjustment: Elongated arm design adds negative camber without relying solely on eccentric bolts or camber plates.
• Caster Adjustment: Improves centering torque and high-speed stability, allowing for 7.0°+ caster depending on wheel clearance.
• Roll Center Correction: Features adjustable ball joint height to restore suspension geometry on lowered vehicles.
• Construction: Engineered, manufactured, and assembled in the USA using high-strength hardware and spherical bearings.
• MPN: SPL FLCA FRS

Fits select 2015-2021 BMW M2, M3, and M4 (F8X).

SPL Parts Front Lower Control Arms (FLCA) provide critical geometry adjustment for the BMW F8X chassis, specifically engineered for roll center, camber, and track width tuning. These arms are designed to maintain full articulation with the proper ball joint angle, even on lowered vehicles where factory components may bind or reach their limits.

The main arm features a slotted design to accommodate pinch bolts, while SPL's exclusive Double Adjuster utilizes rotating clamps to lock down alignment settings. This innovative design eliminates the need for traditional jam nuts, removing the frustration of bearings shifting while fumbling with multiple wrenches. For maximum strength and durability, the Double Adjuster is precision-machined from 4130 Chromoly.

• Provides roll center, camber, and track width adjustment
• Exclusive Double Adjuster for easy, secure locking without jam nuts
• Double Adjuster machined from 4130 Chromoly
• Slotted main arm utilizes high-strength pinch bolts
• Designed for full articulation and proper ball joint angles
• Proudly engineered and assembled in the USA
• Manufacturer Part Number: SPL FLCA F8X

Fits select 2012-2021 BMW 2 Series, 3 Series, and 4 Series models (F22/F30/F32) including 328i, 335i, 435i, and M240i.

SPL Parts Front Lower Control Arms (FLCA) provide precise roll center, camber, and track width adjustment for the BMW F2X and F3X platforms. These arms are engineered to allow for full articulation with the correct ball joint angle, solving alignment limitations on lowered vehicles. The main arm is slotted to accommodate pinch bolts, working in tandem with SPL’s exclusive Double Adjuster system. This design utilizes rotating clamps to lock down alignment settings, eliminating the need for jam nuts and the struggle of maintaining bearing orientation during adjustment.

• Double Adjuster: Machined from 4130 Chromoly, gun-drilled to reduce weight, and finished with electroless nickel plating for long-term corrosion resistance.
• Titanium Hardware: Includes Blue Anodized Titanium hardware to minimize unsprung weight while maintaining high tensile strength.
• Roll Center Correction: Provided stainless steel spacers allow for geometry correction on lowered vehicles to improve handling and steering response.
• Precision Engineering: Proudly designed, machined, and assembled in the USA.
• Manufacturer Part Number: SPL FLCA F3X

Fits 2016-2024 Chevrolet Camaro and 2016-2019 Cadillac CTS (including V, Vsport, SS, and ZL1 models).

SPL Parts Front Lower Control Arms (FLCA) provide critical adjustment for roll center, camber, and track width. Designed for high-performance street and track use, these arms replace the factory units to allow for full articulation with optimized ball joint angles. The system replaces traditional jam nuts with SPL Parts' exclusive Double Adjuster and rotating clamps, allowing for precise, one-wrench adjustments that won't slip during hard cornering.

For lowered vehicles, the included stainless steel spacers allow you to correct the roll center, restoring original suspension geometry and reducing body roll. The arms are engineered to allow up to approximately 4.3 degrees of camber depending on ride height, providing the grip needed for competitive track laps or aggressive fitment.

• 4130 Chromoly Double Adjuster: Gun-drilled for weight reduction and electroless nickel-plated for superior corrosion resistance.
• Blue Anodized Titanium Hardware: High-strength fasteners that reduce unsprung weight.
• Stainless Steel Spacers: Provided for precise roll center correction.
• Slotted Main Arm: Features pinch bolts and rotating clamps to eliminate fumbling with jam nuts.
• Made in the USA: Engineered and assembled with precision tolerances.
• Manufacturer Part Number: SPL FLCA CAM6

Fits 2013-2026 Scion FR-S, Subaru BRZ, and Toyota 86/GR86 models. These SPL Parts PRO Front Endlinks (FES) Short Version are engineered to eliminate binding and provide maximum suspension response when running stiffer aftermarket sway bars and lowered ride heights.

Built for durability and precision, these endlinks utilize massive 2-piece Teflon-lined FK 1/2" bearings to handle significantly higher loads than factory components. The custom heat-treated Chromoly high misalignment studs allow for up to 65 degrees of articulation, ensuring the endlink does not bind even when using aggressive adjustment holes on aftermarket sway bars. This "Short Version" is specifically recommended for vehicles equipped with SPL Front Lower Control Arms and aftermarket coilovers.

• Manufacturer Part Number: SPL FES FRS
• 2-piece Teflon-lined FK 1/2" bearings for high load capacity
• Heat-treated Chromoly high misalignment studs
• 65 degrees of articulation capability to prevent binding
• Short version optimized for lowered suspension and SPL LCAs
• Proudly engineered and assembled in the USA

Fits 2007-2025 Nissan 370Z/Z and Infiniti G35, G37, Q40, Q50, and Q60 models. SPL PRO Front Adjustable Endlinks (FE) are engineered to replace weak factory links and provide the highest load capacity for use with stiff aftermarket sway bars. These endlinks feature massive 1/2-inch FK Rod Ends and custom-made chromoly high-misalignment studs, offering up to 65 degrees of articulation to prevent binding—even when using the most aggressive adjustment holes on aftermarket bars.

Length adjustability allows you to eliminate sway bar preload caused by uneven spring settling or suspension height variances following corner balancing. This ensures your sway bar only provides resistance during cornering as intended, improving overall handling predictability. Proudly engineered and assembled in the USA.

• Teflon-lined 1/2-inch FK bearings for smooth, quiet operation
• Heat-treated chromoly shanks with electroless nickel plating for corrosion resistance
• 65-degree articulation capability to prevent endlink bind
• Fully length-adjustable to eliminate sway bar preload
• Includes all necessary hardware; sold as a pair
• Manufacturer Part Number: SPL FE Z34

Fits select 2003-2009 Nissan 350Z and 2003-2007 Infiniti G35 models. These SPL Parts Front Adjustable Endlinks (FE) are engineered to eliminate sway bar preload and provide the articulation necessary for lowered vehicles or those equipped with stiff aftermarket sway bars.

By utilizing length-adjustable turnbuckles, these links allow you to neutralize preload caused by uneven spring settling or corner weighting, ensuring your suspension geometry remains consistent. The high-misalignment studs offer a significant 65 degrees of articulation, preventing the binding that often occurs when using aggressive adjustment holes on aftermarket sway bars. Constructed with premium materials for high load capacity and longevity, these links are a critical upgrade for any street or track-driven Z-chassis.

• Massive 1/2 inch Teflon-lined FK Rod Ends for maximum load capacity
• Custom heat-treated Chromoly high-misalignment studs
• 65-degree articulation range to prevent binding
• Adjustable length to eliminate sway bar preload
• Sold as a pair
• Proudly engineered and assembled in the USA
• Manufacturer Part Number: SPL FE Z33

Fits 2017-2023 Tesla Model 3 and 2020-2023 Tesla Model Y across all trims including Base, Long Range, Performance, and Standard Range.

SPL Parts adjustable front endlinks are engineered to eliminate sway bar preload, a common issue caused by uneven suspension settling or corner-weighting height adjustments. By utilizing length-adjustable 6061-T6 aluminum turnbuckles with left and right-hand threads, these links allow for precise tuning of the sway bar geometry to ensure neutral handling.

Built for the high-load demands of street and track use, these endlinks feature massive 1/2-inch FK Teflon-lined bearings. The custom heat-treated Chromoly high-misalignment studs provide up to 65 degrees of articulation, preventing binding even when using aggressive adjustment holes on aftermarket sway bars. These components are designed to maintain integrity and performance under the increased stress of stiffer aftermarket bars and lowered ride heights.

• 6061-T6 black anodized aluminum turnbuckles for durability and corrosion resistance
• FK 1/2" Teflon-lined spherical bearings for high load capacity and maintenance-free operation
• Heat-treated Chromoly studs for extreme articulation (65°)
• Length adjustable to eliminate sway bar preload
• Simple and precise on-car adjustment via turnbuckle design
• Designed, engineered, and assembled in the USA
• Manufacturer Part Number: SPL FE MOD3

Fits 2019-2026 BMW Z4 and 2020-2026 Toyota GR Supra (all trims).

SPL Parts adjustable front sway bar endlinks (FE) are engineered to eliminate sway bar preload caused by uneven suspension settling or corner weighting. Designed for both street and competitive racing applications, these endlinks provide the precise adjustment necessary to restore proper suspension geometry on lowered vehicles.

Each link features massive Teflon-lined FK 1/2-inch bearings to provide high load capacity, specifically to handle the increased stiffness of aftermarket sway bars. The custom heat-treated Chromoly high-misalignment studs allow for up to 65° of articulation, preventing binding even when using aggressive adjustment holes on aftermarket bars. The center turnbuckles are machined from 6061-T6 aluminum and black anodized for durability, utilizing left and right-hand threads for easy on-car adjustments.

Note: These endlinks are designed for the OEM mounting length. If you are using aftermarket coilovers that have relocated the sway bar mounting tabs, please verify the required distance before installation.

• Massive Teflon-lined FK 1/2" bearings for maximum load capacity
• Heat-treated Chromoly high-misalignment studs with 65° of articulation
• Black Anodized 6061-T6 aluminum turnbuckles
• Left and right-hand threads for easy length adjustment
• Sold as a pair
• Made, engineered, and assembled in the USA
• Manufacturer Part Number: SPL FE G29