The Air Lift 52440 Universal 4in Straight Air Spring Spacer is engineered for lifted trucks to restore the towing and hauling performance lost during suspension modification. This 4-inch level spacer bridges the gap between the vehicle frame and bellows-style air springs, ensuring the air suspension system operates at its ideal height to eliminate squat, poor headlight aim, trailer sway, and bottoming out.

Constructed from high-grade 1/4-inch steel with a durable black powdercoat finish, these spacers are built for extreme durability and corrosion resistance. The unique spinal design facilitates a secure and straightforward connection to the air spring using the provided hardware. This kit is compatible with Air Lift LoadLifter 5000 and LoadLifter 7500 XL series, as well as most other bellows-style air spring brands on the market.

• Manufacturer Part Number: 52440
• Height: 4-inch straight (level) configuration
• Material: High-grade 1/4-inch steel
• Finish: Black powdercoat
• Compatibility: Air Lift LoadLifter 5000, 7500 XL, and most bellows-style air springs
• Design: Unique spinal design for easy attachment
• Included: 4-inch spacers, mounting hardware, and illustrated installation manual

The Synergy Tuned Fox IFP Universal Steering Stabilizer is engineered to eliminate steering wheel feedback, shimmy, and vibration caused by oversized tires or rough terrain. By utilizing Fox's Internal Floating Piston (IFP) technology, this stabilizer separates the high-pressure nitrogen gas from the damping oil, preventing aeration and ensuring consistent performance even during rapid steering cycles.

This stabilizer features valving specifically tuned by Synergy Manufacturing to provide firm dampening for steering control without creating excessive resistance or slow return-to-center. Its universal design makes it an ideal upgrade for custom builds or as a high-performance replacement for worn OE stabilizers.

• Internal Floating Piston (IFP) design prevents oil and gas mixing to eliminate cavitation
• Synergy-specific valving optimized for steering dampening and tire control
• Clear-anodized finish for superior corrosion resistance and heat dissipation
• Durable 5/8-inch chrome-plated heat-treated alloy steel shaft
• Includes universal stabilizer mounting stud for simplified installation

Fits 1966-1975 BMW 2002, 2002ti, and 2002tii (Base, Cabriolet, and Turbo).

Energy Suspension Hyper-Flex polyurethane front control arm bushings are engineered to replace soft factory rubber that degrades over time. By utilizing a high-durometer polyurethane compound, these bushings minimize unwanted suspension deflection and maintain precise wheel alignment under heavy cornering or braking loads. Unlike rubber, which compresses and distorts, these full-floating, non-binding bushings allow the control arm to pivot smoothly while providing the rigidity needed for improved steering response and handling.

• Constructed from Energy Suspension's proprietary Hyper-Flex performance polyurethane
• Maintains proper alignment during street, track, or spirited driving
• Full-floating design prevents binding for efficient suspension movement
• Specifically engineered to fit into original factory control arms
• Resistant to oil, road salt, and environmental contaminants that destroy rubber
• Includes all necessary bushings for the front control arms
• Finish: Black

Fits 2022-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 (including Diesel models).

Developed for technical trails and heavy-duty off-road use, the Eibach PRO-TRUCK Stage 2R system provides precision damping control and ride-height adjustability. This kit combines height-adjustable PRO-TRUCK Coilover 2.0 front units with PRO-TRUCK Reservoir dampers for the rear, ensuring consistent performance and heat dissipation no matter how much the terrain demands from your suspension.

• Front PRO-TRUCK Coilover 2.0s allow for adjustable ride height to level the vehicle or accommodate larger tires.
• Rear PRO-TRUCK Reservoir Sport Shocks feature an external reservoir for increased oil capacity and fade resistance.
• Anodized 6061-T6 billet aluminum coilover mounts for high-strength durability.
• 46mm piston monotube design with nitrogen-filled variable force valving.
• Individually dyno-tested to ensure matched performance and reliability across all components.
• Heavy-duty bushing system is cycle-tested for long-term service life in harsh environments.
• Engineered, tested, and manufactured by Eibach in the U.S.A.

Fits 2022-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 (3.0L).

The Eibach PRO-TRUCK-LIFT STAGE 2 system provides a significant upgrade in front-end adjustability and off-road performance. Building on the foundation of the Stage 1 system, this kit adds front 2.0 coilovers featuring an extended-travel monotube design. These units utilize variable force valving to provide crisp, controlled handling on the pavement while maintaining the compliance necessary for maximum traction on technical trails.

Each coilover is equipped with Eibach Race Springs (ERO) and features an adjustable threaded spring perch, allowing you to fine-tune the ride height to accommodate increased loads or larger tire clearances. Every shock and coilover is individually dyno-tested to ensure matched performance across the axle and long-term reliability.

• Front PRO-TRUCK Coilover 2.0s with adjustable ride height
• Rear PRO-TRUCK Sport Shocks for improved damping control
• Anodized 6061-T6 billet aluminum coilover mounts
• Large 46mm pistons and monotube design with nitrogen-filled variable force valving
• Heavy-duty bushing system cycle-tested for durability
• Designed and manufactured by Eibach in the U.S.A.

Fits 2022-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 (3.0L Turbo Diesel).

Eibach PRO-TRUCK COILOVER 2.0 systems are engineered for drivers seeking both on-road refinement and off-road capability. Utilizing an extended-travel monotube design and nitrogen-filled variable force valving, these coilovers provide consistent damping and maximum traction on technical trails. The adjustable threaded spring perch allows for fine-tuning the front ride height between 0.4 and 2.6 inches, making it easy to accommodate heavier loads or larger tire and wheel packages.

These units come pre-assembled for a direct-fit, bolt-on installation, replacing the factory front struts without additional hardware. Each coilover features 6061-T6 billet aluminum mounts, a large 46mm piston, and Eibach ERO Off-Road Race Springs. To ensure long-term reliability, every unit is individually dyno-tested and the heavy-duty bushing system is cycle-tested for durability.

• Adjustable front lift height: +0.4" to +2.6"
• 46mm monotube design with variable force valving
• Anodized 6061-T6 billet aluminum mounts
• Equipped with Eibach ERO Off-Road Race Springs
• Pre-assembled for factory direct replacement
• Individually dyno-tested for matched performance
• Sold as a pair
• Engineered and manufactured by Eibach in the U.S.A.

Fits 2010-2024 Toyota 4Runner and 2010-2014 Toyota FJ Cruiser. This Bilstein B8 8112 (ZoneControl CR) front right corner module is a high-performance 2.65-inch body position-sensitive coilover designed to provide superior damping control for light trucks and SUVs. Utilizing revolutionary ZoneControl CR technology, this system delivers unparalleled ride comfort during daily commutes while maintaining maximum control over large suspension inputs off-road.

The module features a sophisticated triple piston design that provides three stages of compression valving and two stages of rebound valving. A 60mm remote reservoir increases oil capacity for improved cooling during sustained use, while the threaded spring seat allows for ride height adjustability ranging from 0 to 3.8 inches. Each unit includes a bolt-on anodized reservoir chassis mount for a secure, factory-style installation.

• Manufacturer Part Number: 41-324363
• 2.65-inch monotube body for increased durability and heat dissipation
• ZoneControl CR position-sensitive damping with 3 compression and 2 rebound zones
• 60mm remote reservoir for optimized cooling and oil volume
• Threaded spring seat for 0-3.8" ride height adjustability
• Direct-fit, bolt-on installation with included reservoir mount

Fits select 2013-2021 BMW 2, 3, and 4 Series xDrive models without electronic suspension.

The Bilstein B6 Performance front left strut is the ideal choice for drivers looking for improved damping and vehicle stability without changing their BMW's ride height. This mono-tube gas-pressure strut is specifically tuned to work with your factory coil springs, providing a significant upgrade in handling performance over standard OE components.

Built with Bilstein's signature gas-pressure technology, this strut (35-264583) ensures consistent damping power and prevents oil foaming even under high-demand driving or extreme temperatures. It restores and enhances the original handling characteristics of your vehicle, offering better lane stability and optimum tire grip in both daily commutes and spirited driving scenarios.

• Performance Upgrade: Enhances handling and stability while retaining the use of factory series springs.
• Monotube Gas-Pressure Tech: Provides immediate reaction to road surfaces and prevents performance fade.
• Direct Fit: Designed to bolt into factory mounting points for a precise installation.
• Vehicle Note: Specifically for models without electronic suspension systems.
• Manufacturer Part Number: 35-264583
• Position: Front Left

Fits select 1990-2002 Mercedes-Benz 300SL, 500SL, 600SL, SL320, and SL500 (Base).

Bilstein B4 OE Replacement dampers are specifically engineered to restore the original ride quality and handling performance of your Mercedes-Benz. These shock absorbers meet or exceed original equipment standards, providing a precise solution for worn suspension systems. Utilizing a 36mm monotube design, these units offer high power reserves for maximum safety and consistent damping control under varying driving conditions.

• Design: 36mm Monotube
• Position: Rear
• Manufacturer Part Number: 24-013161
• Construction: Precise OE-quality build for a direct-fit replacement
• Benefits: Restores factory driving comfort, handling responsiveness, and safety standards

Fits select 2012-2021 BMW 228i, 230i, 328d, 328i, 330i, 335i, 340i, 428i, 430i, 435i, 440i, M235i, M240i, and ActiveHybrid 3.

Bilstein B6 Performance DampTronic dampers are a direct-fit performance upgrade for BMWs equipped with factory electronic suspension systems. Designed to be paired with original equipment factory springs, these struts retain all the active features and factory electronic controls of your vehicle's suspension. You maintain the ability to switch rapidly from comfort to sport settings while benefiting from Bilstein's superior damping technology.

Each damper is engineered with application-specific valve settings and a high-pressure monotube design to provide consistent handling performance and improved safety. These struts bolt directly to factory mounting points, offering a significant improvement in road feel and stability without the need for additional suspension modifications.

• Retains factory electronic damping control (DampTronic) compatibility
• Application-specific ride tuning for optimized handling
• Monotube gas-pressure construction for consistent, fade-free performance
• Designed specifically for use with OE factory springs
• Rigorous testing meets or exceeds OE quality standards

• Manufacturer Part Number: 23-250734
• Position: Front Right
• Series: B6 Performance (DampTronic)
• Design: Monotube

Fits select 2012-2021 BMW 228i, 230i, 328d, 328i, 330i, 335i, 340i, 428i, 430i, 435i, 440i, M235i, M240i, and ActiveHybrid 3.

Bilstein B6 Performance DampTronic dampers are the definitive performance upgrade for BMW owners looking to enhance handling without losing their factory electronic suspension functionality. These dampers are specifically engineered to be paired with original equipment factory springs and integrate directly with your vehicle's existing electronic damping control system. This ensures you maintain full use of your cockpit-controlled suspension settings while benefiting from Bilstein's superior damping technology.

Constructed with a gas-pressure monotube design, each strut features application-specific valving to provide improved safety, increased stability, and sharper chassis response. Whether you are navigating daily commutes or spirited driving, the DampTronic system reacts instantly to road conditions, providing a seamless transition between comfort and sport settings.

• Manufacturer Part Number: 23-250727
• Position: Front Left
• Design: Monotube gas pressure
• System Compatibility: Retains all factory DampTronic / electronic adjustment features
• Spring Compatibility: Optimized for use with OE factory springs
• Performance: Rapid response valving for improved handling and road safety

Fits select 2012-2021 BMW 2 Series, 3 Series, and 4 Series models, including xDrive, Gran Coupe, GT, and M-Performance variants.

The Bilstein B4 OE Replacement rear shock absorber is engineered to restore your vehicle's original ride characteristics, handling, and safety. Designed as a direct-fit replacement for the factory damper, this shock utilizes gas-pressure technology to provide consistent damping performance and high power reserves. Whether you are correcting a bouncy ride or replacing a leaking factory unit, the B4 series ensures your BMW maintains the precise steering response and comfort it had when it left the showroom.

• Direct-fit OE replacement for a seamless installation
• Restores original driving comfort and chassis stability
• Gas-pressure technology for fade-free damping performance
• High power reserves for maximum safety and control
• Built to rigorous manufacturer quality standards
• Manufacturer Part Number: 20-238933

Fits select 2005-2026 Audi A3, S3, RS3, TT, Q3 and Volkswagen Golf, GTI, Jetta, Passat, CC, Eos, and Tiguan (2.0T / 1.8T).

The SuperPro TRC1219 Upper Rear HD Adjustable Toe Arm Set is engineered to provide precise alignment control for lowered vehicles or high-performance track and street applications. By replacing the flexible factory rubber units with lifetime-guaranteed SuperPro polyurethane bushings, these heavy-duty arms eliminate the slop and deflection that lead to inconsistent handling. This adjustable design allows you to dial in rear camber and toe settings across various ride heights, ensuring an optimal tire contact patch for maximum cornering grip and even tire wear.

• Strengthened arm construction designed for high-load applications
• Includes lifetime SuperPro bushings to remove suspension deflection
• Adjustable settings to optimize alignment and cornering grip
• Helps prevent uneven tire wear on lowered vehicles
• Replaces factory rear upper arms with heavy-duty components
• Manufacturer Part Number: TRC1219

Fits 2017-2025 Subaru Impreza, 2018-2025 Crosstrek, and 2019-2025 Forester.

The PERRIN Front Strut Brace increases chassis rigidity by bridging the gap between the front strut towers. By reinforcing the front end, this brace reduces chassis flex during aggressive cornering and over uneven surfaces, leading to more precise steering response and improved driver feedback. Whether you are driving on winding backroads or commuting daily, this upgrade helps maintain proper suspension geometry for a more stable and predictable feel.

Constructed with a heavy-duty bar and finished in a vibrant red powder coat, this brace is built to resist corrosion while adding a custom performance look to your engine bay. The design is engineered to bolt directly to the factory mounting points, requiring no drilling or permanent modification for a straightforward installation.

• Reduces chassis flex and improves front-end rigidity
• Enhances steering feel and turn-in precision
• Durable red powder-coated finish for corrosion resistance
• Direct bolt-on installation using factory hardware
• Manufacturer Part Number: PSP-SUS-058RD

Fits 2006-2011 Honda Civic models (DX, EX, EX-L, GX, Hybrid, Hybrid-L, LX, LX-S, MUGEN Si, and Si).

This MOOG QuickSteer front left stabilizer bar link kit is engineered to restore factory-level steering response and vehicle handling. By replacing a worn or damaged sway bar link, you eliminate the clunking noises and excessive body roll associated with failed chassis components. This kit provides a direct-fit solution that meets OE specifications for fit and function.

Constructed with a high-strength steel design, this link is built for durability and long-term performance under various driving conditions. It features a premium dust boot that seals out moisture, road salt, and contaminants to protect the internal joint and prevent premature wear.

• Replaces front left (driver side) stabilizer bar link
• Durable steel construction for optimal strength
• Premium boot design protects internal components from debris
• Direct replacement for part number K80769
• Designed to restore original handling characteristics

Fits 2001-2003 BMW 525i and 530i (Base).

The Koni Special Active 8245 Series rear shock absorber utilizes patented Frequency Selective Damping (FSD) technology to bridge the gap between ride comfort and handling performance. This twin-tube, low-pressure gas shock is engineered to react to the frequency of road inputs, stiffening for controlled cornering and softening for rough pavement—all without the need for electronic sensors or complex cables.

As a direct replacement for your worn factory dampers, these red-finish shocks restore chassis stability and improve tire-to-road contact. This unit is specifically tuned for the rear suspension of the E39 chassis to provide a refined driving experience that adapts to changing road conditions in real-time.

• Manufacturer Part Number: 8245 1054
• Series: Special Active (Red)
• Design: Twin-tube low-pressure gas
• Technology: Frequency Selective Damping (FSD)
• Mounting Location: Rear
• Sold individually

Fits 2011-2019 Ford Fiesta S, SE, SEL, SES, ST, and Titanium.

The Koni STR.T (Orange) rear shock absorber provides an immediate handling upgrade for the Ford Fiesta without the complexity of manual adjustments. Engineered as a performance-oriented alternative to original equipment, this 8050 Series shock utilizes a twin-tube, low-pressure gas design to minimize body roll and enhance stability during spirited driving or daily commuting. Whether paired with factory springs or aftermarket lowering kits, the STR.T is valved to deliver Koni’s signature road-holding capability and improved damping control.

• Manufacturer Part Number: 8050 1130
• Series: STR.T (Orange) 8050
• Design: Twin-tube low-pressure gas charged
• Adjustment: Fixed/Non-adjustable
• Position: Rear
• Build: High-performance replacement for OE dampers

Fits select 2011-2025 Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD.

King Shocks OEM Performance Series kits are engineered to replace factory shocks with race-grade damping technology specifically tuned for the heavy-duty GM platform. These 2.5-inch diameter shocks provide a significant increase in fluid capacity and surface area, ensuring cooler operating temperatures and consistent damping during aggressive off-road use, heavy towing, or long-distance hauling. The external remote reservoirs further enhance heat dissipation and house the wide-range compression adjusters.

The integrated compression adjusters offer 20 precise clicks of tuning, allowing you to quickly transition from a compliant street ride to a firm, controlled setting for high-speed desert sections or washboard roads. Designed as a 100% bolt-on solution, these shocks mount directly to factory locations and accommodate vehicles at stock height or with up to 1.5 inches of front-end lift.

• Large 2.5-inch shock bodies increase oil volume for superior thermal stability
• External remote reservoirs provide sustained damping performance under load
• Wide-range compression adjusters with 20 distinct settings for custom tuning
• Built with the same materials and tolerances as King’s Pure Race Series
• Fully rebuildable, serviceable, and tunable for long-term reliability
• Compatible with stock height or up to 1.5-inch front lift
• Manufacturer Part Number: 25001-302A

Fits select 2011-2025 Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD (V8-6.0L / V8-6.6L).

King Shocks OEM Performance kits are custom-tuned to provide your heavy-duty GM truck with professional-grade damping and ride quality. These front shocks feature large 2.5-inch diameter bodies and external remote reservoirs, significantly increasing fluid capacity to prevent fade and ensure cooler operation during demanding use. Designed as a 100% bolt-on solution, this pair is optimized for trucks running a 2-3 inch lift with aftermarket upper control arms and torsion keys.

Built from the same materials and to the same precise tolerances as the Pure Race Series, these shocks are fully rebuildable, serviceable, and tunable. Each kit has been subjected to extensive dynamometer and real-world testing to establish the ideal damping curves for the Silverado and Sierra heavy-duty chassis, providing increased wheel travel and sustained performance.

• Large 2.5-inch shock bodies for increased fluid capacity and smoother operation.
• External reservoirs for superior heat dissipation and consistent damping performance.
• 100% bolt-on design for stock or 2-3 inch lifted applications with aftermarket UCAs.
• Fully rebuildable and serviceable for long-term maintenance.
• Precision-machined from race-grade materials for maximum durability.
• Factory-tuned specifically for 2011-2025 GM 2500/3500 HD platforms.
• Manufacturer Part Number: 25001-302-EXT2

Fits 2007-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 models across various trims including LTZ, Denali, and SLE.

King Shocks OEM Performance kits are precision-engineered to provide your truck with professional-grade damping performance and superior ride quality. These rear shocks feature large 2.5-inch diameter bodies that significantly increase fluid capacity compared to factory units, ensuring cooler operating temperatures and consistent damping during sustained use. The external piggyback/hose reservoirs further enhance heat dissipation and maintain performance even in punishing off-road conditions.

Equipped with King’s wide-range compression adjusters, these shocks allow for 20 precise clicks of damping adjustment to fine-tune your ride for varying loads or terrain. Built with the same materials and tolerances as King’s Pure Race series, these shocks are fully rebuildable, serviceable, and tunable, providing a long-term suspension solution for both stock height and lifted applications.

• Large 2.5-inch shock bodies for increased fluid capacity and thermal stability
• External reservoirs for superior heat dissipation and sustained damping
• Wide-range compression adjusters with 20 precise clicks of adjustment
• 100% bolt-on design for straightforward installation
• Fully rebuildable and tunable internal valving
• Increased wheel travel and optimized damping curves
• Manufacturer Part Number: 25001-154A

Fits 2005-2023 Toyota Tacoma 6-lug models (Base, SR, SR5, TRD Sport, TRD Off-Road, TRD Pro, Limited, and Trail Edition).

King Shocks OEM Performance kits are engineered to provide a significant upgrade in damping control and ride quality for the Toyota Tacoma. These front coilovers feature large 2.5-inch diameter shock bodies that increase fluid capacity for cooler operation and more consistent damping during extended off-road use. The remote reservoir design further enhances heat dissipation and allows for increased wheel travel compared to factory components.

This pair comes equipped with King’s Wide Range Compression Adjusters, providing 20 precise clicks of adjustment to fine-tune your suspension for varying terrain or cargo loads. The 100% bolt-on design allows for an easy installation using factory mounting points and offers adjustable ride height to accommodate stock or lifted configurations.

• Large 2.5-inch shock bodies for increased fluid capacity and cooling
• External remote reservoirs for superior heat dissipation
• Wide Range Compression Adjuster with 20 precise settings
• Internal damping curves and spring rates optimized specifically for the Tacoma chassis
• Built to the same tolerances as King Race Series shocks
• Fully rebuildable, serviceable, and tunable design
• Adjustable ride height for front-end leveling or lift
• Manufacturer Part Number: 25001-119A-EXT

The HKS HIPERMAX S Full Canceller Kit is an essential solution for Toyota GR Supra (DB82) owners upgrading to high-performance aftermarket coilovers. When the factory Adaptive Variable Suspension (AVS) is replaced with non-electronic dampers, the vehicle's ECU detects the missing actuators, triggering dashboard warning lights and potentially restricting drive mode selections.

This kit provides a direct plug-and-play bypass, mimicking the electrical load of the original equipment dampers to maintain factory system integrity. Built specifically for the DB82 chassis, it allows you to enjoy the mechanical advantages of the HKS HIPERMAX S series or other suspension systems without electronic interference or ECU error codes.

• Prevents AVS/electronic suspension error messages and dashboard warning lights
• Maintains factory drive mode functionality when electronic dampers are removed
• Direct plug-and-play installation into factory wiring harnesses
• No wire splicing or permanent vehicle modifications required
• Specifically engineered for the Toyota GR Supra (DB82) chassis
• Manufacturer Part Number: 80330-AT023CP

The HKS HIPERMAX S coilover system provides a precision-engineered suspension upgrade for the Subaru Impreza WRX STI GDB (Applied Models E-G). Developed as the evolution of driving comfort, this kit replaces the factory struts with a fully adjustable monotube design that balances track-ready handling with the damping refinement required for daily street use.

• Dual PVS (Pre-load Valve System): Optimizes damping force at low piston speeds for improved tire contact and stability.
• WR (Wide Range) Needle: Features 30 levels of adjustment with a revised internal needle shape for a more distinct change in feel between settings.
• Advanced PCO (Pre-load Combination Oil): Specialized fluid reduces friction and maintains consistent performance across wide temperature ranges.
• Strengthened Inverted Strut: Designed to handle high lateral loads on the GDB chassis while maintaining smooth suspension travel.
• Manufacturer Part Number: 80330-AF003

Each kit includes four complete coilover assemblies, high-strength aluminum top mounts, and specialized adjustment wrenches for height and damping tuning.

Fits select 2013-2020 Subaru BRZ, Toyota 86, and Scion FR-S models.

The GrimmSpeed Strut Tower Brace is engineered to improve handling precision by tying the front strut towers together to reduce chassis flex. During aggressive cornering, the vehicle's strut towers can deflect, causing changes in suspension geometry and a loss of steering feel. This brace bridges that gap, providing a more rigid front end for sharper turn-in and more consistent tire contact. Finished in a signature red powder coat, it adds a performance-focused look to the engine bay while utilizing factory mounting points for a straightforward installation.

• Reduces chassis deflection for improved steering response
• High-strength construction maintains suspension geometry
• Durable red powder-coated finish for corrosion resistance
• Direct bolt-on fitment with no drilling required
• Manufacturer Part Number: GRM098009

Fits select 2013-2020 Subaru BRZ, Toyota 86, and Scion FR-S models.

The GrimmSpeed Front Strut Tower Brace (GRM098007) is engineered to bridge the gap between your vehicle's strut towers, significantly increasing chassis rigidity. By tying these points together, the brace reduces front-end flex during high-load cornering, ensuring your suspension geometry remains consistent for more predictable handling and sharper steering response. Finished in a durable black coating, this brace offers a clean, functional upgrade to your engine bay while mounting directly to factory points for a straightforward installation.

• Enhances chassis stiffness and reduces strut tower deflection under load
• Improves steering precision and overall handling feedback
• Durable black finish provides a professional, low-profile appearance
• Direct bolt-on fitment using existing factory mounting locations
• Designed specifically for the ZC6 and ZN6 chassis platforms
• Manufacturer Part Number: GRM098007

Fits 2013-2020 Subaru BRZ, Toyota 86, and Scion FR-S.

Eliminate firewall flex and restore confidence in your braking system with the GrimmSpeed Master Cylinder Brace. Under heavy braking, the thin sheet metal of the firewall can flex, leading to a soft or mushy pedal feel. This brace provides a rigid mechanical bridge between the master cylinder and the vehicle's shock tower, ensuring that every millimeter of pedal travel is converted into stopping power rather than chassis deflection.

• Reduces firewall deflection for firmer, more consistent brake pedal feel
• Improves braking modulation and tactile feedback during spirited driving
• Precision-engineered for a direct bolt-on fit to factory mounting points
• Durable construction designed to withstand high-stress engine bay environments
• Manufacturer Part Number: GRM091038

Fits select 2008-2014 Subaru Impreza, WRX, and STI models, and 2008-2009 Subaru Legacy models.

The thin sheet metal of the Subaru firewall is prone to flexing under heavy braking, which manifests as a soft or inconsistent pedal feel as the master cylinder physically shifts. The GrimmSpeed Master Cylinder Brace (MPN: GRM091029) provides a rigid bridge between the brake master cylinder and the driver-side shock tower. By creating a mechanical stop, this brace eliminates firewall deflection, ensuring that every bit of pedal pressure is converted into braking force rather than wasted energy.

• CNC laser-cut and bent steel construction for maximum rigidity
• Durable textured black powder coat finish for corrosion resistance
• Large adjustment bolt with a high-visibility red anodized cap
• Includes all necessary high-grade mounting hardware for a bolt-on installation
• Reduces firewall flex to provide a firm, tactile brake pedal feel
• Manufacturer Part Number: GRM091029

Fits 2003-2006 Mitsubishi Lancer Evolution models.

The GrimmSpeed Master Cylinder Brace (GRM091019) is a critical upgrade for drivers seeking a more responsive and consistent brake pedal feel. In the Mitsubishi Evo 8 and 9, the thin sheet metal of the firewall often flexes when the brake pedal is depressed, resulting in a "spongy" sensation and diminished braking precision. This brace bridges the distance between the master cylinder and the strut tower, creating a solid mechanical stop that prevents the cylinder from moving forward under pressure.

• Eliminates firewall deflection during heavy or threshold braking
• Provides a firmer, more direct brake pedal feel for better modulation
• Designed specifically for the Mitsubishi CT9A chassis
• Includes all necessary hardware for a secure installation
• Manufacturer Part Number: GRM091019

Maintain the precision and responsiveness of your onboard air management system with the Firestone Air Command Single ECU Service Pack (9535). This replacement electronic control unit is engineered specifically for Air Command systems, ensuring your air springs receive accurate pressure adjustments for optimal load leveling and ride quality. As a dedicated service part, it allows you to restore system functionality without the need to replace the entire compressor assembly.

• Genuine Firestone Air Command service component
• Compatible with Single ECU system configurations
• Restores electronic monitoring and control of air spring pressure
• Durable construction for reliable performance under varying load conditions
• Manufacturer Part Number: 9535

The Firestone Air Adjustable Leveling Control Panel (2225) provides convenient, on-the-fly management of your vehicle's air suspension system directly from the cab. Designed for single-path inflation, this panel allows you to monitor and adjust air spring pressure to compensate for varying load weights and road conditions, ensuring a level ride and improved stability.

This unit features a high-visibility white face gauge with a 0-150 psi readout for precise monitoring. The integrated toggle switch gives you manual control over inflation and deflation, making it easy to tune your suspension performance without needing to find an external air source or stop the vehicle.

• Provides instant monitoring and adjustment for air helper springs
• Single analog gauge with white face and clear 0-150 psi increments
• Integrated toggle switch for easy inflation and deflation control
• Designed for dashboard or under-dash mounting
• Compatible with Firestone air accessory systems and compressors
• Manufacturer Part Number: 2225