Fits select 2013-2026 Scion FR-S, Subaru BRZ, Toyota 86, and Toyota GR86 models using OEM front lower control arms and OEM front struts.

SPL Parts PRO Front Endlinks (FE) are engineered to eliminate sway bar preload and provide a rigid, direct connection between the sway bar and the strut. These endlinks are specifically designed to handle the increased loads generated by stiffer aftermarket sway bars, ensuring precise suspension geometry and improved handling response.

• FK 1/2-inch Bearings: Massive 2-piece Teflon-lined bearings provide high load capacity and maintenance-free, smooth operation.
• High Misalignment Studs: Custom heat-treated Chromoly studs offer up to 65 degrees of articulation, preventing endlink binding even when using aggressive adjustment holes on aftermarket sway bars.
• Direct Fit: This version is recommended for use with factory front lower control arms and OEM-style front struts.
• American Made: Proudly engineered, manufactured, and assembled in the USA.
• Manufacturer Part Number: SPL FE FRS

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

SPL Parts Front Endlinks (FE) are engineered to replace weak factory components with high-strength, adjustable alternatives. These endlinks feature massive 1/2" Teflon-lined FK bearings to manage the increased load capacities required by stiffer aftermarket sway bars. By incorporating left and right-hand threaded rod ends with 6061-T6 aluminum turnbuckles, these links allow for precise on-car length adjustment to eliminate sway bar preload caused by uneven suspension settling or corner-weighting.

The custom heat-treated Chromoly high-misalignment studs provide up to 65° of articulation, preventing the binding common when using different adjustment holes on aftermarket sway bars. These are suitable for both high-performance street and dedicated race applications.

• FK 1/2" Teflon-lined spherical bearings for high load capacity
• 6061-T6 Black Anodized aluminum turnbuckles for durability and corrosion resistance
• Heat-treated Chromoly studs with 65° articulation range
• Adjustable length range: 11.4" to 12.9"
• Sold as a pair
• Made in the USA
• Manufacturer Part Number: SPL FE F8X

Note: If using aftermarket shocks or coilovers, verify the distance between the sway bar and the shock mount is between 11.4" and 12.9" before installation.

Fits select 2012-2021 BMW 2 Series, 3 Series, 4 Series, and ActiveHybrid 3 (F2X and F3X chassis).

SPL Front Endlinks are engineered to eliminate sway bar preload and prevent binding, especially on vehicles equipped with aftermarket sway bars or lowered suspension. These adjustable links allow for precise corner weighting by compensating for uneven spring settling or ride heights. The massive 1/2-inch Teflon-lined FK bearings provide significantly higher load capacity than factory units, while the heat-treated Chromoly high-misalignment studs offer up to 65 degrees of articulation. This extreme range of motion ensures the endlinks do not bind when using various adjustment holes on performance sway bars.

The center turnbuckles are CNC machined from 6061-T6 aluminum and finished in black anodizing. Featuring both left- and right-hand threads, these links allow for easy length adjustment while still mounted on the vehicle. Before ordering, verify that your distance between the sway bar and shock mount is within the 11.4-inch to 12.9-inch range, as some aftermarket coilovers may move the mounting point.

• Manufacturer Part Number: SPL FE F3X
• Adjustable Length Range: 11.4" – 12.9"
• FK 1/2" Teflon-lined spherical bearings
• Heat-treated Chromoly high-misalignment studs (65° articulation)
• Black anodized 6061-T6 aluminum turnbuckles
• Sold as a pair
• Proudly engineered and made in the USA

Fits select 2006-2009 BMW 1 Series (128i, 135i) and 3 Series (325i, 328i, 330i, 335i, 335d) including xDrive models; excludes M models.

SPL Parts Front Endlinks (FE) are designed for the BMW E8X and E9X non-M chassis to eliminate sway bar preload that occurs from uneven suspension heights or corner weighting. These adjustable links feature massive 1/2-inch Teflon-lined FK bearings to provide high load capacity, specifically for use with stiffer aftermarket sway bars. Custom heat-treated chromoly high-misalignment studs offer 65 degrees of articulation, preventing endlink binding even when using aggressive adjustment holes on aftermarket bars.

The turnbuckles are machined from 6061-T6 aluminum and black anodized for corrosion resistance, utilizing left and right-hand threads for precise on-car adjustment. Note: If using aftermarket coilovers or shocks, verify that the distance between the sway bar and shock mount is between 10.4 and 11.9 inches to ensure compatibility.

• FK 1/2-inch Teflon-lined spherical bearings for high load capacity
• Heat-treated chromoly studs with 65-degree articulation capability
• Black anodized 6061-T6 aluminum turnbuckles
• Length adjustable from 10.4 inches to 11.9 inches
• Sold as a pair
• MPN: SPL FE E9X
• Engineered and assembled in the USA

Fits select 2008-2026 BMW 1 Series M, 2 Series, 3 Series, 4 Series, i4, M2, M3, and M4 models (E8X, E9X, G2X, G42, and G8X chassis).

SPL adjustable front endlinks (FE) are engineered to eliminate sway bar preload caused by uneven spring settling or suspension height changes from corner weighting. These M-version endlinks utilize massive PTFE-lined FK 1/2" bearings to provide the highest load capacity required for use with stiffer aftermarket sway bars in both street and race applications.

The assembly features custom heat-treated Chromoly High Misalignment Studs that offer extreme articulation capability (65°), preventing the endlink from binding when used with different adjustment holes on aftermarket sway bars. For simple and precise adjustment, the turnbuckles are machined from black anodized 6061-T6 aluminum and feature left and right-hand threads.

• Bearings: Massive PTFE-lined FK 1/2" precision rod ends
• Studs: Heat-treated Chromoly with 65° articulation capability
• Adjustability: Length adjustable to eliminate sway bar preload
• Range: Confirmed for mounting distances between 12.9" and 14.4"
• Construction: Black Anodized 6061-T6 Aluminum turnbuckles
• Contents: Sold as a pair
• Origin: Designed, engineered, and assembled in the USA
• Manufacturer Part Number: SPL FE E9M

Note: For vehicles with aftermarket shocks or coilovers, please verify the distance between the sway bar and shock mount is within the 12.9" to 14.4" range before installation.

Fits 1999-2006 BMW 3 Series (E46) and M3 models including 323i, 325i, 328i, and 330i.

SPL Parts Front Swaybar Endlinks (SPL FE E46) are engineered to eliminate sway bar preload caused by uneven suspension settling or precise corner weighting. Designed for both street and race applications, these endlinks replace compliant factory components with massive 1/2-inch Teflon-lined FK bearings, providing the high load capacity required for use with stiff aftermarket sway bars.

Each link features custom heat-treated Chromoly high-misalignment studs that offer up to 65 degrees of articulation. This extreme range prevents endlink binding when utilizing different adjustment holes on aftermarket bars. The turnbuckles are machined from 6061-T6 aluminum and black anodized for durability, featuring left and right-hand threads for simple, precise on-car length adjustment.

• Length adjustable from 9.9 inches to 11.4 inches
• 1/2-inch Teflon-lined FK bearings for maximum load capacity
• Heat-treated Chromoly high-misalignment studs with 65-degree articulation
• Black anodized 6061-T6 aluminum turnbuckles
• Sold as a pair
• Proudly engineered and assembled in the USA
• Manufacturer Part Number: SPL FE E46

Fitment Note: If your vehicle is equipped with aftermarket shocks or coilovers, verify that the distance between the sway bar and the shock mount is between 9.9" and 11.4" to ensure proper fitment.

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

SPL Parts front adjustable sway bar endlinks provide the necessary adjustability to optimize suspension geometry on the 2023-2026 Toyota GR Corolla. Unlike fixed-length factory links, these adjustable components allow you to eliminate unwanted preload on the sway bar—a critical step when corner-balancing a car with height-adjustable coilovers or correcting geometry after lowering. By dialing out preload, you ensure consistent handling characteristics between left and right-hand turns.

Engineered for high-load applications, these endlinks utilize massive 1/2-inch PTFE-lined FK bearings to handle the increased torsional stress of stiffer aftermarket sway bars. The custom heat-treated chromoly high-misalignment studs offer up to 65° of articulation, preventing the endlink bind often encountered with aggressive suspension travel or adjustable sway bar settings.

• On-Car Adjustment: 6061-T6 aluminum turnbuckles feature opposing RH/LH threads for precise length adjustment without removal.
• FK Rod Ends: US-made, self-cleaning, PTFE-lined F1-spec bearings for maintenance-free operation and high load capacity.
• Construction: Black anodized 6061-T6 aluminum bodies with heat-treated chromoly studs for maximum strength-to-weight ratio.
• Optimized Geometry: Corrects sway bar installation angles to maintain effective roll stiffness.
• Manufacturer Part Number: SPL FE E210

Fits 2016-2019 Cadillac ATS and 2016-2024 Chevrolet Camaro (LS, LT, LT1, SS, ZL1) models on the GM Alpha chassis.

SPL Parts Front Sway Bar Endlinks are designed to eliminate sway bar preload, which often occurs from uneven spring settling or corner weighting. These adjustable links allow you to reset the sway bar geometry to a neutral position, ensuring predictable handling on both the street and the track. Featuring high-articulation components, these links are specifically built to handle the increased loads of stiffer aftermarket sway bars without binding.

Construction features massive 1/2-inch Teflon-lined FK bearings for high load capacity and smooth operation. The custom heat-treated chromoly high-misalignment studs offer 65 degrees of articulation, preventing the endlink from binding even at extreme suspension angles. Adjustment is simplified via black anodized 6061-T6 aluminum turnbuckles with opposing left and right-hand threads, allowing for precise tuning while the links are still bolted to the vehicle.

• Teflon-lined FK 1/2-inch bearings for maximum durability
• Heat-treated chromoly high-misalignment studs with 65-degree articulation
• Black anodized 6061-T6 aluminum turnbuckles
• On-car adjustable length to eliminate suspension preload
• Sold as a pair
• Made in the USA
• Manufacturer Part Number: SPL FE CAM6

Note: These are designed for use with OEM-length mounting points. If using aftermarket coilovers or shocks with relocated mounting tabs, please verify the required distance before installation.

Fits select 1997-2023 Porsche 911, Boxster, and Cayman models (including 996, 997, 981, 982, 986, 987, and 718 chassis). These adjustable front endlinks (droplinks) allow you to eliminate sway bar preload caused by uneven spring settling or corner-weighting adjustments, ensuring your Porsche's suspension performs exactly as intended.

Constructed with massive 2-piece Teflon-lined 1/2-inch FK Bearings, these links provide exceptional service life and zero deflection compared to OEM rubber bushings. The center turnbuckles are machined from lightweight 6061-T6 aluminum and black anodized for corrosion resistance. To prevent binding even under extreme suspension travel or when using multiple adjustment holes on aftermarket sway bars, SPL utilizes custom heat-treated Chromoly High Misalignment studs that offer up to 65 degrees of articulation.

• Eliminates sway bar preload for precise cornering balance
• Length adjustable via left and right-hand threaded rod ends
• 6061-T6 aluminum turnbuckles with black anodized finish
• High-misalignment chromoly studs provide 65 degrees of articulation
• Teflon-lined 1/2" FK bearings for smooth, quiet operation
• Sold as a pair
• Manufacturer Part Number: SPL FE 996
• Made in the USA

Fits 2015-2026 BMW M2, M3, and M4 (Base, Competition, CS, CSL, GTS, and xDrive).

The factory eccentric bolts provided by BMW for rear toe adjustments are prone to slipping under high cornering loads, leading to unpredictable rear alignment changes. The SPL Parts ELT (Eccentric Lockout Toe Arm) kit replaces these failure-prone factory bolts with a fixed lockout solution to ensure your alignment settings remain secure, even under aggressive track use.

• Eliminates factory eccentric bolt slip for reliable alignment retention
• Lockout plates CNC machined from 6061-T6 aluminum
• High-strength CAD plated grade 10.9 hardware included
• Required for use with adjustable toe control arms
• Sold as a complete kit for one vehicle
• Engineered and manufactured in the USA
• Manufacturer Part Number: SPL ELT F8X

Fits select 2006-2013 BMW 1 Series (E81, E82, E87, E88) and 3 Series (E90, E91, E92, E93) including M3 and 1 Series M.

The factory eccentric bolts used for rear toe adjustments are a known weak point on the BMW E8X and E9X chassis. Under high cornering loads or aggressive track driving, these bolts can slip, causing immediate and unwanted changes to your rear alignment. The SPL Parts Eccentric Lockout (EL) kit replaces these failure-prone factory components with a fixed-position solution to ensure your alignment stays exactly where you set it.

This kit is essential for vehicles used in performance driving, drifting, or road racing where maintaining precise geometry is critical. Because this kit eliminates the factory adjustment mechanism, you must have adjustable rear toe control arms installed to set your alignment.

• CNC machined from 6061-T6 aluminum for precise fitment and weight savings
• Includes CAD-plated Grade 10.9 hardware for high strength and corrosion resistance
• Eliminates alignment slip under high lateral loads
• Complete kit for one vehicle (includes hardware for both toe arms)
• Designed, engineered, and assembled in the USA
• Manufacturer Part Number: SPL ELT E9X

Fits 1999-2013 Porsche 911 models including Carrera, GT2, GT3, Turbo, Targa, and Speedster (996 and 997 chassis).

Maintain precise suspension geometry during high-performance driving with the SPL Rear Toe Eccentric Lockout (ELT) kit. The factory Porsche eccentric bolts are prone to slipping under high cornering loads, leading to unpredictable rear alignment shifts that can compromise handling and safety on the track. This kit replaces those vulnerable OEM bolts with a fixed lockout system to ensure your alignment stays exactly where you set it.

• CNC-machined 6061-T6 aluminum lockout plates for high strength and weight savings
• High-tensile Class 10.9 metric hardware included for secure fastening
• Eliminates factory eccentric bolt slip to maintain consistent rear toe settings
• Engineered, manufactured, and assembled in the USA
• Manufacturer Part Number: SPL ELT 996

Installation Note: This kit is designed for use on one vehicle. Because it eliminates the factory adjustment mechanism, you must have adjustable rear toe arms installed to retain the ability to set your rear alignment.

Fits select 2019-2026 BMW 2 Series, 3 Series, 4 Series, i4, Z4, and Toyota GR Supra.

Factory eccentric bolts used for rear camber and toe adjustments are prone to slipping under high cornering loads, which can lead to unpredictable handling and alignment settings that drift during track or performance driving. The SPL Parts Eccentric Lockout (ELC) kit (MPN: SPL ELC G29) replaces those stock bolts with a fixed lockout solution to ensure your rear alignment stays exactly where you set it.

By eliminating the eccentric movement, this kit provides a zero-slip configuration that is essential for vehicles pushed to their limit. Please note that because the factory adjustment mechanism is removed, you must have aftermarket adjustable control arms (such as the SPL RUA G29) to set your camber and toe. This kit includes the necessary hardware for both the camber and toe arms on one vehicle.

• CNC machined from 6061-T6 aluminum for high strength and precision
• Includes zinc-plated grade 10.9 bolts and lock nuts for superior clamping force
• Eliminates alignment shift under heavy lateral loads
• Covers both camber and toe arm positions
• Manufacturer Part Number: SPL ELC G29
• Engineered, machined, and assembled in the USA

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

The factory eccentric bolts used by BMW for rear camber adjustments are prone to slipping under high cornering loads or aggressive track use. This slippage causes immediate changes to the rear alignment, negatively impacting handling and tire wear. The SPL Parts Eccentric Camber Lockout (ELC) kit replaces these unreliable factory bolts with fixed lockout plates to ensure your rear alignment remains exactly where you set it.

Note: Because this kit eliminates the factory adjustment mechanism, you must use adjustable rear control arms (such as SPL RUA F8X) to set your camber specifications. Each kit provides enough hardware for both rear camber arms on one vehicle.

• CNC machined from 6061-T6 aluminum for precise tolerances
• Includes zinc-plated Grade 10.9 bolts and lock nuts for maximum clamping force
• Provides a zero-slip solution for high-performance and track applications
• Engineered, assembled, and manufactured in the USA
• Manufacturer Part Number: SPL ELC F8X

Fits select 2006-2013 BMW 1 Series and 3 Series models (128i, 135i, 135is, 325i, 328i, 330i, 335i, 335d, 335is).

The factory eccentric bolts used for rear camber adjustment on the BMW E8x and E9x chassis are notorious for slipping under high cornering loads. This shift in hardware mid-corner causes immediate changes to your rear alignment, resulting in unpredictable handling and uneven tire wear. The SPL Parts Eccentric Lockout Camber (ELC) kit solves this by replacing the stock eccentric bolts with fixed lockout plates to ensure your alignment settings remain exactly where you set them.

Technical Note: Because this kit eliminates the factory adjustment mechanism, you must have adjustable rear control arms installed to perform camber adjustments.

• CNC machined 6061-T6 aluminum lockout plates for precision fitment
• CAD plated Grade 10.9 hardware provides high strength with zero slip
• Eliminates alignment shift during aggressive street or track driving
• Complete kit includes washers and bolts for both rear camber arms
• Proudly engineered, machined, and assembled in the USA
• Manufacturer Part Number: SPL ELC E9X

Fits select 2007-2025 Nissan 370Z and Z, and Infiniti G35, G37, and Q40. This SPL Parts Eccentric Lockout (EL) kit is designed to solve the common issue of alignment drift during performance driving. On the Nissan Z34 and V36 chassis, factory eccentric bolts used for rear camber and toe adjustments often slip under high cornering loads, causing unpredictable handling and premature tire wear.

By replacing the OE eccentric bolts with these fixed lockout plates, you secure your rear alignment settings permanently. This kit is essential for track-driven vehicles and high-performance street builds. Please note: because these plates eliminate the factory adjustment mechanism, you must have adjustable control arms installed to set your camber and toe specs.

• CNC machined from 6061-T6 billet aluminum for precision fitment
• Includes CAD plated Grade 10.9 hardware for high clamping force and corrosion resistance
• Provides a zero-slip solution for consistent rear alignment
• Complete kit includes all necessary components for one vehicle
• Engineered and manufactured in the USA
• Manufacturer Part Number: SPL EL Z34

Fits select 2003-2009 Nissan 350Z and 2003-2007 Infiniti G35 models not equipped with Rear Active Steer (RAS).

The factory eccentric bolts provided by Nissan and Infiniti for rear camber and toe adjustments are prone to slipping under high cornering loads, leading to unwanted alignment changes mid-corner. The SPL Parts Eccentric Lockout (EL) kit replaces these weak points with precision-engineered lockout plates to ensure your rear alignment stays exactly where you set it.

CNC machined from T6061 aluminum and paired with CAD-plated Grade 10.9 hardware, this kit provides a zero-slip solution for track and high-performance street use. Please note that because this kit eliminates the factory eccentric adjustment, you must have adjustable control arms installed to set your camber and toe.

• Prevents alignment slippage during high-G cornering
• CNC machined T6061 aluminum lockout plates
• CAD-plated Grade 10.9 hardware for maximum strength
• Complete kit includes washers and bolts for both camber and toe arms
• Proudly engineered, machined, and assembled in the USA
• Manufacturer Part Number: SPL EL Z33

Fits 1989-1994 Nissan 240SX and 1990-1996 Nissan 300ZX.

The SPL Parts Eccentric Lockout (EL) kit is designed to eliminate rear alignment shifts during high-load cornering. The factory eccentric bolts provided by Nissan for camber and toe adjustments are prone to slipping under stress, which can lead to unpredictable handling on the street or track. This kit replaces those adjustable bolts with solid, non-adjustable lockout plates to ensure your alignment remains exactly where you set it.

Note: Because this kit removes the factory adjustment mechanism, you must have adjustable control arms installed to set your camber and toe. For Non-HICAS models, the kit includes hardware for both camber and toe arms. For HICAS-equipped models, the kit provides hardware for the camber arms only.

• CNC machined stainless steel lockout plates for maximum durability
• CAD plated grade 10.9 hardware provides high tensile strength and corrosion resistance
• Eliminates alignment slip under aggressive driving or track conditions
• Complete kit designed for one vehicle
• Proudly engineered and manufactured in the USA
• Manufacturer Part Number: SPL EL S13

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

The factory eccentric bolts on the Nissan R35 GT-R are designed for minor camber and toe adjustments, but they frequently slip under high cornering loads or aggressive track driving. This slippage causes unwanted changes to your rear alignment mid-session. The SPL Parts Eccentric Lockout (EL) kit replaces these prone-to-slip factory bolts with fixed lockout plates, ensuring your rear alignment settings remain exactly where you dialed them in.

These lockout plates are CNC machined from 6061-T6 billet aluminum for precision fitment and maximum durability. The kit is supplied with CAD-plated grade 10.9 hardware to provide a secure, zero-slip solution for the most demanding motorsport applications. Note: You must have adjustable control arms installed to adjust camber and toe after removing the stock eccentric bolts.

• Prevents rear alignment changes caused by bolt slippage
• CNC machined 6061-T6 billet aluminum lockout plates
• Includes CAD-plated grade 10.9 hardware for camber and toe arms
• Complete kit for one vehicle
• Engineered and manufactured in the USA
• Manufacturer Part Number: SPL EL R35

Fits select 2004-2015 Mazda MX-5 Miata and RX-8 models.

The SPL Parts Eccentric Lockout (EL) kit replaces the factory eccentric bolts that are prone to slipping under high cornering loads. On the track or during aggressive street driving, the stock Mazda adjustment bolts can rotate, causing unwanted changes to your rear camber and toe alignment. This kit provides a permanent solution by locking out the adjustment points to ensure your settings stay exactly where you dialed them in.

Note: Use of this kit requires adjustable control arms to perform alignment adjustments, as the factory eccentric mechanism is eliminated.

• CNC machined 6061-T6 aluminum lockout plates
• High-strength zinc-plated grade 10.9 bolts and lock nuts
• Provides zero-slip security for rear camber and toe arms
• Complete kit includes hardware for one vehicle
• Engineered, manufactured, and assembled in the USA
• Manufacturer Part Number: SPL EL NC

Fits select 2019-2026 BMW 2 Series, 3 Series, 4 Series, i4, Z4, and Toyota GR Supra.

The SPL Parts Eccentric Lockout (EL) kit (MPN: SPL EL G29) is designed to solve the common issue of alignment shift during high-performance driving. Factory eccentric bolts used for rear toe and camber adjustments are prone to slipping under high cornering loads, leading to unpredictable handling. This kit replaces those eccentric bolts with fixed lockout plates to ensure your rear alignment stays exactly where you set it.

Each lockout plate is CNC machined from 6061-T6 aluminum and supplied with high-strength, zinc-plated grade 10.9 bolts and lock nuts for a secure, zero-slip installation. This kit includes the necessary hardware for both the camber and toe arm locations. Note: Adjustable control arms are required to perform alignment adjustments once the factory eccentric bolts have been eliminated.

• Prevents rear alignment changes caused by eccentric bolt slippage
• CNC machined 6061-T6 aluminum lockout plates
• High-strength zinc-plated grade 10.9 hardware
• Complete kit includes washers and bolts for one vehicle (camber and toe positions)
• Proudly engineered and manufactured in the USA
• Manufacturer Part Number: SPL EL G29

Fits select 2008-2026 Subaru WRX, WRX STI, BRZ, Toyota 86, GR86, and Scion FR-S. The factory eccentric bolts used for rear toe adjustments are prone to slipping under heavy cornering loads, resulting in unwanted alignment changes that compromise handling and tire wear.

The SPL Parts Eccentric Lockout Kit (MPN: SPL EL FRS) replaces the factory eccentric bolts with fixed plates to ensure your rear alignment remains exactly where you set it. This kit is essential for track-driven vehicles or high-performance street builds where maintaining precise geometry is critical. Please note that adjustable toe arms are required to adjust rear toe once the factory eccentric bolts are eliminated.

• CNC machined from high-strength stainless steel for corrosion resistance
• Supplied with CAD plated grade 10.9 hardware for maximum clamping force
• Provides a zero-slip solution for the rear suspension
• Complete kit includes all hardware necessary for one vehicle
• Engineered and manufactured in the USA

Fits 2019-2026 BMW Z4 (G29) and 2020-2026 Toyota GR Supra (A90) all trims.

SPL Parts FKS Series Non-Adjustable Front Caster Rod Bushings (CRBN) replace the compliant factory rubber bushings with low-friction, articulating spherical bearings. By eliminating bushing deflection, these components maintain optimum suspension geometry under heavy load, providing more consistent braking performance and sharper handling feedback during spirited driving or track use.

• Eliminates suspension deflection for improved steering and braking feedback
• Massive 1-inch FK Racing Bearings designed for maximum performance
• Self-lubricating Teflon liners ensure longevity and smooth articulation
• Precision-machined 6061-T6 aluminum bearing housings with outer knurling for secure fitment
• Direct replacement for flexible OE rubber bushings
• Sold as a pair
• Proudly engineered, manufactured, and assembled in the USA
• Manufacturer Part Number: SPL CRBN G29

Fits select 2006-2021 BMW 1 Series, 3 Series, M2, M3, and M4.

SPL Parts FKS Series Non-Adjustable Front Caster Rod Bushings (CRBN) are designed to replace flexible factory rubber bushings with high-performance, low-friction articulating spherical bearings. By eliminating the deflection inherent in OEM rubber, these bushings maintain precise suspension geometry under heavy braking and cornering loads, significantly improving steering feedback and handling consistency.

Built for the rigors of performance driving, these units utilize massive 1-inch FK Racing Bearings equipped with self-lubricating Teflon liners for long-term durability and maintenance-free operation. This is a critical upgrade for drivers looking to stabilize the front end of their BMW during aggressive maneuvers.

• Replaces soft factory rubber to eliminate bushing deflection
• 1-inch FK Racing Bearings for maximum load capacity
• Self-lubricating Teflon liners ensure low-friction operation
• Improves braking feel and steering precision
• Sold as a pair
• Designed, engineered, and assembled in the USA
• Manufacturer Part Number: SPL CRBN E9X

Fits 2019-2026 BMW Z4 (G29) and 2020-2026 Toyota GR Supra (A90/A91).

SPL Parts FKS Series Adjustable Front Caster Rod Bushings (CRB) replace soft, flexible factory rubber bushings with high-precision, low-friction articulating spherical bearings. By eliminating bushing deflection, these components maintain optimum suspension geometry under heavy braking and cornering loads, significantly sharpening steering response and providing more consistent handling feedback.

Each assembly utilizes massive 1-inch FK Racing Bearings with self-lubricating Teflon liners to ensure maximum durability and smooth articulation in demanding environments. The innovative CNC-machined offset bearing spacers allow for +/- 4 degrees of caster adjustment, enabling aggressive alignment settings for track or street performance. These bushings are designed to be pressed into your factory arms for a professional-grade monoball conversion.

• 6061-T6 aluminum bearing housings with outer knurling for a secure press-fit
• Heavy-duty 1" FK Teflon-lined spherical bearings for high load capacity
• Innovative offset spacers provide +/- 4 degrees of caster adjustment
• Eliminates compliance to maintain precise suspension geometry
• Sold as a pair (OEM arms not included)
• Manufacturer Part Number: SPL CRB G29
• Proudly engineered, manufactured, and assembled in the USA

Fits select 2006-2021 BMW 1 Series, 3 Series, M2, M3, and M4.

SPL Parts Front Caster Rod Bushings (CRB) replace the factory flexible rubber bushings with low-friction, articulating spherical bearings to eliminate bushing deflection and reduce friction. This upgrade maintains optimum suspension geometry under heavy braking and cornering loads, significantly improving handling feedback and braking stability.

These bushings utilize massive 1-inch FK Racing Bearings featuring self-lubricating Teflon liners to ensure maximum durability and consistent performance in both street and track environments. The innovative CNC machined offset bearing spacers allow for +/- 2 degrees of caster adjustment, giving you the ability to fine-tune your alignment beyond factory specifications.

• Replaces soft OE rubber bushings with high-strength spherical bearings
• Eliminates deflection for precise suspension geometry
• 1-inch FK Racing Bearings with self-lubricating Teflon liners
• CNC machined offset spacers provide +/- 2° caster adjustment
• Proudly engineered and assembled in the USA
• Manufacturer Part Number: SPL CRB E9X
• Sold as a pair; OEM arms not included