Fits 2006-2013 Mazda 3 and Mazda 6 Mazdaspeed models.

The Clutch Masters 850 PRO Series is an 8.50in (216mm) twin disc clutch system engineered to handle extreme torque and high-heat environments. A major evolution in multi-disc technology, the 850 PRO replaces the common 6-post aluminum setup with a 12-post, heat-treated steel foundation. This design provides superior structural integrity, significantly reducing flex and wear during aggressive engagement.

Equipped with a next-generation single precision-driven hub, this kit ensures constant, even contact with the transmission input shaft, reducing spline wear and simplifying installation. The ceramic friction material is available in "Sprung Race" (PTD80) or "Rigid Race" (PTD8R) configurations to suit specific track or street-performance requirements. Both the clutch assembly and the included steel flywheel are SFI Certified, meeting rigorous safety and performance standards for motorsport use.

• Series: FX 850 PRO Twin Disc
• Disc Diameter: 8.50in (216mm)
• Disc Material: High-performance Ceramic
• Foundation: 12-post heat-treated steel
• Mounting: 12-point nut and stud system
• Flywheel: SFI Certified Steel Flywheel included
• Hub Design: Next-generation single precision-driven hub
• Certification: SFI Certified

Fits 2006-2013 Mazda 3 and 6 Mazdaspeed.

The Clutch Masters FX 725 PRO Series represents the latest evolution in 7.25-inch multi-disc clutch technology. Engineered to meet the demands of high-horsepower racing and enthusiast applications, the PRO Series specifically addresses the structural weak points of traditional aluminum-post designs. By doubling the pressure plate stands to a 12-post configuration and utilizing 4140 heat-treated steel, Clutch Masters has eliminated the flex and wear common in high-stress environments.

This kit ensures superior torque capacity and heat management, providing the structural integrity needed for aggressive launches and sustained track use. Both the clutch unit and the included steel flywheel are SFI Certified, meeting rigorous performance and safety standards for the motorsport industry.

• 7.25-inch twin disc configuration for reduced rotational mass and quicker shifts
• 12-post pressure plate design for maximum structural integrity under high torque
• Stands manufactured from 4140 heat-treated steel to prevent post-wear and flexing
• Includes 4140 steel flywheel
• SFI Certified for sanctioned competition use

Fits select 1994-2001 Acura Integra and Honda Civic models including GS, GS-R, LS, RS, and Si.

The Clutch Masters 725 PRO Series Twin Disc Clutch kit is an evolution of the proven FX 725 platform, engineered specifically for high-horsepower racing applications that demand extreme durability. The PRO Series addresses critical stress points by replacing traditional aluminum pressure plate posts with 12 reinforced stands made from 4140 heat-treated steel. This 12-post design significantly reduces flex and wear under heavy stress, allowing the assembly to manage higher torque loads and intense heat cycles more effectively than standard multi-disc units.

This kit includes a high-performance steel flywheel and is SFI Certified, ensuring it meets strict safety and performance standards for competitive motorsport use. By doubling the number of stands and upgrading the material, Clutch Masters has created a 7.25-inch clutch assembly built to withstand the abuse of professional racing.

• SFI Certified for automotive and motorsport industry standards
• 12-post pressure plate design for superior structural integrity
• Stands manufactured from 4140 heat-treated steel
• Compact 7.25-inch diameter for reduced rotational mass
• Includes matched steel flywheel for reliable performance
• Designed for high-horsepower and race-specific applications

Fits select 1994-2001 Acura Integra and Honda Civic (GS, GS-R, LS, RS, SE, CX, DX, EX, HX, LX, Si, VX) models.

The Clutch Masters FX 725 PRO Series triple disc clutch kit is a specialized multi-disc solution designed for high-horsepower racing applications. This unit represents a significant evolution of the traditional FX 725 design, engineered to handle the extreme torque and thermal abuse of competitive motorsport. By replacing the traditional aluminum pressure plate stands with 12 heat-treated 4140 steel posts, Clutch Masters has eliminated the component flex and wear common in high-stress environments, ensuring superior structural integrity.

The "Triple Race" (P3D7R) configuration features three ceramic rigid discs, providing the aggressive friction and heat capacity necessary for the track. Every kit includes a matched steel flywheel, and both the clutch and flywheel are SFI Certified to meet strict safety and performance standards for professional racing.

• Series: FX 725 PRO "Triple Race" (P3D7R)
• Clutch Diameter: 7.25 inches (184mm)
• Disc Material: Triple Ceramic Rigid Discs
• Hardware: 12-post 4140 heat-treated steel stands
• Certification: SFI Certified for motorsport use
• Flywheel: Steel Flywheel included

Fits 2017-2021 Honda Civic Type R.

The Clutch Masters FX 725 PRO Series Twin Disc clutch kit represents the latest evolution in multi-disc drivetrain technology for the K20C1 platform. Building on fifteen years of racing heritage, the PRO Series addresses the demanding requirements of high-horsepower applications by replacing traditional aluminum pressure plate stands with twelve 4140 heat-treated steel posts. This structural upgrade eliminates component flex and premature wear often seen in extreme motorsport environments, ensuring consistent engagement and superior torque capacity.

Every FX 725 PRO Series unit is engineered for maximum structural integrity under high heat and stress. The 7.25-inch diameter assembly reduces rotational mass for improved engine response while providing the clamping force necessary for competition use. Both the clutch kits and included flywheels are SFI Certified, meeting rigorous safety and performance standards for professional motorsport.

• Fits 2017-2021 Honda Civic Type R models
• 12-post pressure plate design for maximum structural integrity
• Stands manufactured from 4140 heat-treated steel to prevent flexing
• 7.25-inch multi-disc diameter reduces rotational inertia
• SFI Certified for automotive and motorsport competition
• Includes application-specific steel flywheel

Fits select 2009-2015 Acura ILX, TSX and Honda Accord, Civic Si (2.4L).

The Clutch Masters FX400 Series is engineered for the ultimate street enthusiast or weekend track driver who requires a clutch that can handle significant power increases. This high-performance clutch kit features a heavy-duty 6-puck ceramic rigid disc, which provides a dramatic increase in torque capacity and superior heat resistance over standard organic friction materials. Designed for use with a 6-speed manual transmission, this kit maintains compatibility with the OEM ECU while delivering the aggressive engagement needed for high-torque applications.

Installation Note: This is a conversion kit. It is not compatible with the factory OEM flywheel and must be used exclusively with a Clutch Masters flywheel.

• Series: FX400
• Disc Style: 6-Puck Rigid
• Friction Material: Ceramic
• Compatible with OEM ECU configurations
• High-torque capacity for modified engines

Vehicle Fitment

Fits select 2002-2015 Acura ILX, RSX, TSX and Honda Accord, Accord Crosstour, and Civic Si (All 2.0L/2.4L K-Series engines).

The Clutch Masters FX 725 PRO Series represents the evolution of multi-disc clutch technology for high-output racing and enthusiast applications. Building on the foundation of the traditional FX 725 kit, the PRO Series increases structural integrity by utilizing a 12-post pressure plate stand design. These stands are manufactured from 4140 heat-treated steel rather than aluminum, eliminating the flex and wear common in high-horsepower environments where extreme heat and stress are present.

This 7.25-inch clutch kit is engineered for maximum torque capacity and durability while maintaining a compact rotational mass. Both the clutch units and the included steel flywheel are SFI Certified, ensuring they meet rigorous safety and performance standards for professional motorsport use.

• Series: 725 PRO Series (7.25" diameter)
• Chassis Stability: 12-steel post design for superior structural integrity
• Material: 4140 heat-treated steel pressure plate stands
• Certification: SFI Certified for automotive and motorsport industry standards
• Includes: Twin or triple disc assembly, 4140 steel flywheel, and necessary hardware
• Available Configurations: Twin Race (PTD7R) ceramic, Triple Race (P3D7R) ceramic, or Twin Iron (PTD7D) sintered iron discs

Fits select 2002-2015 Acura ILX, RSX, TSX and Honda Accord, Accord Crosstour, and Civic Si.

The Clutch Masters 725 PRO Series is a professional-grade 7.25-inch multi-disc clutch kit engineered for high-horsepower racing and motorsport applications. Building on the established performance of the traditional FX 725 platform, the PRO Series introduces critical structural improvements to manage extreme torque and thermal loads.

The 725 PRO Series utilizes 12-post pressure plate stands manufactured from 4140 heat-treated steel. This design replaces traditional aluminum posts to eliminate flex and premature wear under high stress, providing the structural integrity required for competition use. This kit features three ceramic rigid discs and an included steel flywheel, offering a robust solution for track-driven vehicles.

• Product Line: FX 725 PRO Series
• Clutch Type: Triple Race (P3D7R)
• Disc Material: Three ceramic rigid discs
• Stand Material: 12-post 4140 heat-treated steel
• Flywheel: Steel flywheel included
• Certification: SFI Certified for automotive and motorsport standards
• Diameter: 7.25in (184mm)

Fits 1989-1998 Nissan Skyline equipped with 2.5L RB25DET or 2.6L RB26DETT engines.

The Clutch Masters FX 850 PRO Series is an 8.50" (216mm) twin disc clutch system engineered for high-performance applications that demand extreme durability. Moving beyond traditional designs, the 850 PRO replaces the standard 6-post aluminum setup with a 12-post heat-treated steel foundation. This architecture provides superior structural integrity, significantly reducing flex and resisting failure under the high-torque and high-heat conditions common in RB-series builds.

This kit features a next-generation driven hub design. By utilizing a single precision-driven hub for the ceramic friction discs, the system ensures cleaner alignment and faster installation while maintaining constant, even engagement with the transmission input shaft. This design choice is critical for reducing spline wear and improving long-term reliability on the street or track.

• 8.50" (216mm) Twin Disc configuration
• 12-post heat-treated steel foundation for maximum strength
• 12-point nut and stud mounting system
• Ceramic friction material for high-heat capacity
• Includes heavy-duty steel flywheel
• SFI Certified for competitive motorsport use
• Precision-driven hub reduces transmission input shaft spline wear

Fits 1989-1998 Nissan Skyline (2.5L RB25DET / 2.6L RB26DETT).

The Clutch Masters 725 PRO Series is the next generation of multi-disc clutch technology, building on the 15-year legacy of the traditional FX 725 kit. Engineered for high-horsepower racing and extreme street applications, the PRO Series addresses the common failure points of standard aluminum-post clutches. By utilizing a 12-post pressure plate stand design manufactured from 4140 heat-treated steel, this unit eliminates the post-flex and wear often seen under high stress, ensuring superior structural integrity and heat management.

This 7.25-inch twin-disc kit provides a compact, low-inertia solution for improved throttle response and faster shifts without compromising torque capacity. The included steel flywheel offers the durability required for rigorous motorsport use. Both the clutch assembly and flywheel are SFI Certified, meeting the strict safety and performance standards for professional automotive competition.

• Product Series: 725 PRO Series Twin Disc
• Clutch Diameter: 7.25 inches
• Pressure Plate Hardware: 12-post 4140 heat-treated steel stands
• Flywheel Material: Steel
• Certification: SFI Certified
• Compatible Engines: 2.5L RB25DET and 2.6L RB26DETT

Fits 2003-2005 Dodge Neon SRT-4.

The Clutch Masters FX 725 PRO Series is a high-performance multi-disc clutch kit engineered for the extreme demands of drag racing and high-horsepower street builds. Building on the legacy of the traditional FX 725 kit, the PRO Series introduces critical structural upgrades to handle increased torque, heat, and mechanical abuse. The most significant improvement is the transition to 12-post pressure plate stands made from 4140 heat-treated steel, doubling the support of previous aluminum designs to eliminate post-flex and wear under stress.

This kit features a compact 7.25-inch diameter to reduce rotational mass and improve throttle response. Every component is SFI Certified, ensuring it meets rigorous safety and performance standards for competitive motorsport use.

• Fits 2003-2005 Dodge Neon SRT-4
• 12-post 4140 heat-treated steel stands for maximum structural integrity
• 7.25-inch clutch diameter for reduced inertia
• SFI Certified for racing compliance
• Includes matching steel flywheel
• Available configurations: Twin Race (PTD7R), Triple Race (P3D7R), or Twin Iron (PTD7D)

Fits 2021-2023 BMW M2, M3, and M4 (3.0L S58) models equipped with a 6-speed manual transmission.

The Clutch Masters Factory Fit FX250 Series Twin Disc kit is engineered to bridge the gap between original equipment comfort and aggressive race-spec clutch systems. Specifically developed for the G80 M3, G82 M4, and G87 M2 with the S58 engine, this kit offers a significant upgrade in torque capacity and durability for modified or tuned vehicles without the harsh engagement of a dedicated track setup. It replaces the factory twin-disc assembly with a high-performance solution that retains excellent street manners and pedal feel.

• Series: Factory Fit FX250 Twin Disc
• Engine: 3.0L S58 Inline-6
• Flywheel: Lightweight Aluminum included
• Transmission: 6-Speed Manual
• Design: Bridges performance gap between OE and race-oriented 725/850/1000 series
• Performance: Increased clamping force for tuned engines while maintaining daily-driven streetability

As OE manufacturers increase factory output, a robust twin-disc setup becomes essential once modifications are introduced. The FX250 kit ensures your BMW can reliably handle increased power levels while providing the durability required for spirited driving and occasional track use.

Fits select 2000-2005 Audi A6, A6 Quattro, S4 (Base and Avant), and Allroad Quattro.

The Clutch Masters 725 PRO Series represents a significant evolution in multi-disc clutch technology. Building on the legacy of the traditional FX 725 kit, the PRO Series features a completely redesigned pressure plate utilizing a 12-steel post stand system. Unlike standard aluminum posts that can flex or wear under the extreme stress of high-horsepower racing applications, these stands are manufactured from 4140 heat-treated steel to ensure structural integrity and consistent release under high heat and torque loads.

The 7.25" diameter design reduces rotational mass for faster shifts and improved engine response. This kit is SFI Certified for motorsport use and includes a precision-matched steel flywheel, providing a durable friction surface capable of handling the abuse of drag, road racing, or high-performance street use.

• Series: FX 725 PRO Series
• Clutch Diameter: 7.25" (184mm)
• Post Design: 12-post 4140 heat-treated steel stands for maximum rigidity
• Flywheel Material: Steel
• Certification: SFI Certified for automotive and motorsport standards
• Disc Options: Available in Twin Race (Ceramic), Triple Race (Ceramic), or Twin Iron (Sintered Iron) configurations

Fits 1996-2004 Ford Mustang models.

Engineered for street and strip performance, the BMR K-Member replaces the heavy, bulky factory stamped-steel unit to reduce front-end weight and significantly improve under-car clearance. This standard version is built from heavy-duty tubular steel, offering a rigid platform that stands up to the rigors of hard launches and spirited driving.

Unlike race-specific units that require coilovers, this K-member features integrated spring perches, allowing you to retain factory-style coil springs. The design provides much-needed room for long-tube headers and deep-sump oil pans, making maintenance and upgrades easier. Finished in a durable black hammertone powdercoat, it is built to resist corrosion and maintain a professional look under your chassis.

• Retains factory-style coil springs with integrated spring perches
• Provides increased clearance for aftermarket headers and oil pans
• Significant weight reduction compared to the OEM K-member
• Heavy-duty tubular steel construction for street and track use
• Durable black hammertone powdercoat finish

Fits 2013-2020 Subaru BRZ, Scion FR-S, and Toyota 86 models. This ACT Performance Street Sprung Disc (3000506) is engineered for drivers seeking improved engagement and faster shifting without compromising daily drivability. Featuring a high copper content within its premium organic friction material, this disc provides superior heat transfer and thermal stability compared to standard replacements.

The spring-centered assembly utilizes a robust design with bushings and cone springs to replicate the dampening characteristics of an OE clutch. This helps eliminate gear rattle and drivetrain noise while providing the strength needed for performance use. A reduced marcel design allows for quicker shift action, perfectly complementing ACT pressure plates for a responsive pedal feel and reliable torque capacity.

• Manufacturer Part Number: 3000506
• High-copper organic lining for enhanced thermal conductivity
• Spring-centered hub for frictional dampening and reduced NVH
• Reduced marcel design for faster gear synchronization
• Compatible with factory and ACT pressure plates

Fits select 2004-2021 Subaru Forester, WRX STI, and Crosstrek models equipped with a manual transmission.

The PERRIN Transmission Support is designed to eliminate excessive drivetrain movement and improve shift precision. By replacing the compliant factory component, this support provides a more rigid connection between the transmission and the chassis, resulting in better throttle response and reduced drivetrain lash during aggressive driving or gear changes.

• Reduces transmission movement under load for a more connected feel
• Improves shifting accuracy and power delivery
• Direct replacement for the factory manual transmission support
• Engineered for high-stress driving conditions
• Specific fitment for manual transmission applications only

Fits 1997-2007 Porsche 911, Boxster, and Cayman models (including Carrera, Turbo, GT2, GT3, and S trims).

The Fidanza short throw shifter (MPN 891904) is engineered to reduce the distance of the gear lever travel, providing a shorter, crisper, and more precise shift. By replacing the factory shifter assembly, this unit improves the tactile feedback of the transmission, allowing for faster and more consistent gear engagement during spirited driving.

Designed as a direct-fit upgrade, this shifter is built for a straightforward installation that can be completed in a few hours using common hand tools. It is an ideal solution for drivers looking to tighten up the gear selection on their 996 or 997 generation 911, as well as 986/987 Boxster and Cayman models.

• Manufacturer Part Number: 891904
• Reduces shift throw for quicker gear transitions
• Improves shifting precision and feel
• Direct bolt-in replacement for the OE shifter assembly
• Compatible with factory interior trim
• Can be installed with standard hand tools in a single afternoon

Fits 1970-1985 Ford F-150 models equipped with a 9-inch front axle assembly.

Protect your drivetrain from the stresses of heavy off-roading with the Artec Industries 9 Inch Front Axle Truss. Engineered to reinforce the axle housing, this truss prevents the tubes from bending or twisting under high-torque loads and harsh terrain. It provides a rigid structural backbone that maintains critical component alignment and extends the life of your axle housing.

• Precision-engineered for 1970-1985 Ford F-150 9-inch front axle applications.
• Constructed from heavy-duty steel for maximum structural reinforcement.
• Low-profile design to minimize interference with suspension and steering components.
• Strengthens the connection between the axle tubes and the center section.
• Designed to simplify the welding process with tight tolerances and accurate fitment.

Please note: This product requires professional welding and fabrication for installation. It is intended for custom front 9-inch axle configurations used in these vehicles.

Fits 2018-2025 Jeep Wrangler JL and Gladiator JT models. This Artec Industries Inner C Gusset (JL4508) provides critical reinforcement to the factory axle C-sections, which are prone to bending or deflection when running larger tire diameters or navigating technical terrain.

Precision cut from heavy-duty steel, these gussets are designed to wrap around the axle's inner C-yokes to significantly increase structural rigidity without interfering with steering components or ball joint serviceability. By distributing loads across a larger surface area of the axle tube and C, this kit helps prevent permanent housing damage and costly alignment issues during off-road use.

• Specifically engineered for 2018-2025 Jeep JL and JT axle geometry
• Reinforces factory inner Cs to prevent bending under load
• Constructed from high-strength steel for maximum durability
• Maintains clearance for factory and aftermarket suspension components
• Manufacturer Part Number: JL4508

Fits 2000-2009 Honda S2000 Base and CR models.

The ACT 3000106 Performance Street clutch disc is engineered for drivers who demand quicker shifting and improved durability without sacrificing street drivability. As the most popular choice in the ACT lineup, this disc features premium organic friction materials with a high copper content to facilitate superior heat transfer during spirited driving and high-load conditions.

Designed with a reduced marcel, this disc allows for faster shift action to perfectly complement ACT pressure plates. The spring-centered hub assembly utilizes a specialized combination of bushings and cone springs, mimicking factory clutch dampening to minimize drivetrain noise and vibration while significantly increasing overall component strength and reliability.

• Manufacturer Part Number: 3000106
• Disc Type: Performance Street Sprung
• Material: High-copper organic friction facing
• Design: Reduced marcel for lightning-fast gear changes
• Hub: Spring-centered assembly for frictional dampening and noise reduction
• Benefits: Increased heat capacity, smooth engagement, and extended clutch life

Fits select 2007-2016 BMW 135i, 335i, 335is, and Z4 (3.0L).

The XClutch 9-inch twin-disc clutch kit is engineered for high-horsepower motorsport applications where extreme heat resistance and torque capacity are required. Featuring solid ceramic friction discs and a lightweight alloy hat, this kit reduces rotational mass while providing the clamping force necessary for track use. Every component is analyzed for diaphragm design and pivot point precision to ensure a positive pedal feel and consistent engagement under racing conditions.

This kit is a comprehensive performance upgrade, including a 6-bolt flywheel and all necessary hardware for a complete installation. Designed for vehicles demanding high-level engineering, it offers a balanced solution for dedicated track and high-power street conversions.

• Product Type: Twin Disc Solid Ceramic Clutch Kit
• Disc Diameter: 9 inches
• Flywheel Configuration: 6-Bolt / Lightweight Alloy Hat
• Recommended Use: Track / Motorsport
• Kit Includes: Friction Discs, Pressure Plate, Release Bearing, Flywheel, Pilot Bearing/Bush, Alignment Tool, and Technical Service Bulletins

Fits 2003-2006 Jeep Wrangler TJ Rubicon models with Dana 44 front and rear axles.

This Revolution Gear & Axle complete gear package provides a comprehensive solution for re-gearing your TJ Rubicon to a 4.88 ratio. Designed to restore power and performance after installing larger tires, this kit includes both front and rear ring and pinion sets along with premium Koyo master overhaul kits. The "thick" gear design is specifically engineered to fit onto the factory Rubicon Dana 44 carriers, eliminating the need for a costly carrier change when moving to lower gear ratios.

• Axle Application: Dana 44 (Front and Rear)
• Gear Ratio: 4.88
• Gear Type: Thick (compatible with OE Rubicon carriers)
• Bearing Brand: Premium Koyo bearings for OE-spec longevity
• Included Components: Front and rear ring and pinion sets, master overhaul kits with bearings, seals, and shim kits

Upgrade your drivetrain with the Revolution Gear & Axle Ring and Pinion Set, precision-engineered for Dana 30 short pinion front axles. This 4.88 ratio gear set is a critical modification for off-road builds, designed to restore lost torque and performance when moving to larger tire diameters or adding significant vehicle weight.

• Fits Dana 30 short pinion front differential applications.
• 4.88 gear ratio provides increased mechanical advantage for crawling and towing.
• Precision heat-treated and lapped gear teeth for smooth operation and durability.
• Replaces factory gears to accommodate specific tire height and powerband requirements.

Includes one ring gear and one short pinion gear. Professional installation and a master overhaul kit are highly recommended to ensure proper gear mesh and longevity.

Fits select 1975-1989 Datsun 280Z, 280ZX, and Nissan 300ZX models equipped with the Long Nose R200 differential.

The OS Giken Super Lock LSD is a premier clutch-type limited-slip differential designed to transform the handling and traction of your classic Z-car. Unlike standard gear-type or viscous units, the Super Lock system uses a progressive locking mechanism that allows for smooth, predictable engagement while providing maximum lock under high-load conditions. This eliminates unwanted wheel spin and ensures power is delivered effectively to the pavement during corner exit and straight-line acceleration.

• Precision-machined internal components for maximum durability and consistent performance
• Customizable lock timing and pressure to suit specific street or track setups
• Progressive clutch engagement reduces chatter and mechanical noise
• Specifically engineered for the Long Nose R200 housing found in Datsun 280Z/280ZX and early 300ZX chassis
• Replaces the factory open differential or worn OEM limited-slip units

Fits 2016-2020 Mazda MX-5 Miata ND models including Club, Grand Touring, Sport, and RF variants (2.0L).

Upgrade your ND Miata drivetrain with the OS Giken Limited Slip Differential (MPN: MZ191-HA). Engineered to provide superior traction and stability, this LSD replaces the factory differential unit to deliver more consistent power to the ground. Whether on the street or at the track, the OS Giken LSD minimizes wheel spin and improves corner-exit acceleration by efficiently distributing torque between the rear wheels.

• Manufacturer Part Number: MZ191-HA
• Direct fit for 2.0L Mazda MX-5 Miata (2016-2020)
• Precision-machined internal components for maximum durability
• Enhances vehicle control and predictability under high-performance driving conditions
• Engineered for smooth engagement and quiet operation

Fits select 1997-2012 Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, and Saab models with LS-based engines and 4L60E, 4L65E, or 4L70E transmissions.

The FTI Performance Street Racer Series torque converter is engineered for the enthusiast who demands high-performance reliability in a street-driven application. This 9.5-inch converter features a CNC-machined billet cover and a triple disc lock-up clutch system, providing the significantly increased surface area and clamping force required for high-horsepower LS builds and heavy-duty towing applications.

Built to handle the rigors of the track while remaining civil on the street, this unit replaces the factory stamped-steel converter with a precision-balanced assembly. The Street Racer Series is tailored for your specific setup, featuring a custom stall speed designed to optimize your powerband based on your vehicle's weight, camshaft profile, and gear ratio.

• Manufacturer Part Number: SRLS0086-3
• Diameter: 9.5 inches
• Configuration: Billet Triple Disc Lock-Up
• Compatibility: 4L60E, 4L65E, 4L70E Transmissions
• Engine Fitment: LS-based engines
• Construction: CNC-machined billet cover for maximum rigidity

Fits 2015-2019 Chevrolet Corvette (Grand Sport, Stingray, Z06, and ZR1).

The FTI Performance Street Racer Series 9.5-inch torque converter is engineered specifically for the 8L90E 8-speed automatic transmission. Designed to balance aggressive street performance with high-load durability, this unit features a heavy-duty triple-disc lock-up clutch and a precision CNC-machined billet cover. The 3000 stall speed provides an improved launch profile for modified engines while maintaining necessary drivability for the enthusiast.

• Series: Street Racer
• Diameter: 9.5 inches
• Stall Speed: 3000 RPM
• Clutch Type: Billet Triple Disc Lock-Up
• Transmission: GM 8L90E 8-Speed
• Construction: CNC-Machined Billet Cover
• Manufacturer Part Number: SRL93082-3C

Fits 2013-2016 Hyundai Genesis Coupe (3.8L) models including Grand Touring, R-Spec, Track, and Ultimate.

The XClutch Stage 1 Sprung Organic Clutch Kit is engineered to provide a substantial increase in torque capacity while maintaining the smooth engagement and driveability required for performance street use. By utilizing a premium sprung organic friction disc and a heavy-duty diaphragm-type pressure plate, this kit offers excellent dampening and a positive pedal feel.

Each kit is developed in XClutch's advanced R&D facilities, ensuring that the pivot points and diaphragm design are optimized for the specific demands of the Hyundai 3.8L V6 drivetrain. This is an ideal solution for street-driven vehicles requiring higher clamping force without the harshness of a ceramic race clutch.

• Manufacturer Part Number: XKHD24638-1A
• Clutch Type: Single Disc, Sprung Organic
• Pressure Plate: Heavy Duty Diaphragm Type
• Application: Recommended for Street Use
• Included Components: Friction Disc, Pressure Plate, Hydraulic Release Bearing, Flywheel Pilot, and Aligning Tool

The Torque Solution Positive Shift Kit (TS-SU-PSK2) is designed to eliminate the excessive play and mushy feel inherent in the factory shifter assembly. This kit fits 2008-2017 Subaru WRX and WRX STI models, replacing the soft rubber OE bushings that stabilize the rear of the shifter stay.

By upgrading to high-performance urethane bushings, this kit provides a more rigid connection to the chassis. The result is a significant reduction in shifter deflection, leading to crisper gear engagement and a more mechanical, direct shifting experience during spirited driving. These bushings are engineered to withstand the rigors of high-performance use without deteriorating like factory rubber components.

• Eliminates shifter slop for more precise gear changes
• Improves overall shifter feel and driver feedback
• Durable high-quality urethane construction
• Replaces soft factory rubber bushings
• Manufacturer Part Number: TS-SU-PSK2

Vehicle Fitment:

• 2008-2014 Subaru Impreza WRX / Limited / Premium
• 2008-2014 Subaru Impreza WRX STI / Limited / Special Edition
• 2015-2017 Subaru WRX STI / Base / Limited / Launch Edition / Series.HyperBlue

Fits select 2003-2017 Nissan 350Z, 370Z and Infiniti G35, G37 models equipped with manual transmissions.

The OS Giken Super Lock LSD (Limited Slip Differential) is engineered to provide superior traction and stability for high-performance driving. Designed specifically for the Z-chassis and G-series manual transmission drivelines, this differential replaces the factory unit to offer more predictable handling under both acceleration and cornering. The Super Lock design allows for a high degree of locking force while maintaining smooth, progressive engagement, making it a critical upgrade for both street performance and dedicated track use.

• Manufacturer Part Number: NS111-HA
• Transmission Compatibility: Manual Transmission (MT) Only
• Engine Compatibility: VQ35DE, VQ35HR, VQ37VHR (as per vehicle fitment)
• High-capacity friction plate design for maximum durability and locking force
• Improves power delivery and cornering exit speeds by reducing inner-wheel spin
• Engineered for precise fitment within the factory rear differential housing