Fits 2003-2006 Mitsubishi Lancer Evolution, including MR, RS, and SE submodels.

The Competition Clutch Ultra Lightweight Steel Flywheel (STU series) is engineered for high-performance forced induction, track, and rally racing applications. This flywheel is precision-machined from a single piece of 4140 forged steel to reduce rotational mass, enabling significantly quicker engine revving and improved throttle response. It is specifically recommended for vehicles equipped with Stage 3 or higher clutch kits where rapid acceleration and durability are paramount.

• Material: 4140 Forged Steel
• Design: One-piece construction
• Weight: 9.65 lbs
• Series: Ultra Lightweight (STU)
• Recommended Applications: Forced induction, track, and rally
• Clutch Compatibility: Optimized for Stage 3 and up
• Manufacturer Part Number: 2-645-STU

Fits select 2008-2014 Mitsubishi Lancer Evolution GSR, MR, and Ralliart models.

The Competition Clutch Ultra Lightweight Steel Flywheel (STU series) is engineered for high-performance forced induction, track, and rally applications. This one-piece flywheel is machined from 4140 forged steel with significantly reduced mass to lower rotational inertia, resulting in quicker revving and improved throttle response. This 11lb unit is specifically recommended for use with Stage 3 and higher clutch applications where rapid engine acceleration is critical.

• Manufacturer Part Number: 2-645-1STU
• Material: One-piece 4140 forged steel
• Weight: 11 lbs
• Application: Forced induction, track, and rally racing
• Clutch Compatibility: Optimized for Stage 3+ clutch kits

Fits 1989-2002 Nissan Skyline models.

The Competition Clutch Ultra Lightweight Steel Flywheel (STU series) is engineered to reduce rotational mass, providing significantly quicker engine revving and improved throttle response. This one-piece flywheel is precision-machined from 4140 forged steel, offering the durability and heat dissipation required for high-stress environments such as track racing, rally, and forced induction applications.

Designed to complement high-performance drivetrain setups, this 10.4lb flywheel is ideally suited for Competition Clutch Stage 3 and higher clutch kits. By removing excess material, the STU series delivers a lightweight solution without compromising the structural integrity essential for competitive driving and high-RPM reliability.

• Manufacturer Part Number: 2-630T-STU
• Weight: 10.4 lbs
• Material: 4140 Forged Steel
• Construction: One-piece design
• Compatibility: Recommended for Stage 3 and up clutch applications
• Usage: Optimized for forced induction, track, and rally racing

Fits 1989-2002 Nissan Skyline models equipped with RB20 or RB25 engines.

The Competition Clutch ST Series Lightweight Steel Flywheel is engineered for street-driven and naturally aspirated applications where maintaining driveability is a priority. Weighing 12 lbs, this flywheel provides a significant reduction in rotational mass compared to stock components, improving throttle response and acceleration without sacrificing the low-end torque required for daily use.

Constructed from 4140 forged steel, this flywheel features a robust one-piece design for maximum structural integrity and safety under high-RPM conditions. It is specifically recommended for use with Stage 1 and Stage 2 clutch applications to provide a balanced performance upgrade for the RB platform.

• Manufacturer Part Number: 2-630T-ST
• Material: 4140 Forged Steel
• Weight: 12 lbs
• Construction: One-piece forged design
• Application: Street and Stage 1/2 clutch setups

Fits select 2007-2017 Nissan 350Z, 370Z, Infiniti G35, and G37.

The Competition Clutch Lightweight Steel Flywheel (ST series) is specifically engineered for naturally aspirated and street-driven applications. By using a one-piece 4140 forged steel design, this flywheel provides a significant reduction in rotating mass while preserving the low-end torque and smooth drivability required for daily use. It is highly recommended for vehicles equipped with Stage 1 or Stage 2 clutch kits looking to improve throttle response and acceleration without the harshness of an ultra-lightweight racing flywheel.

• Manufacturer Part Number: 2-630-6ST
• Material: 4140 Forged Steel
• Design: One-piece construction
• Weight: 17.5 lbs
• Compatibility: Optimized for street and naturally aspirated setups
• Clutch Matching: Well-suited for Stage 1 and Stage 2 applications

Fits 1991-1999 Mitsubishi 3000GT and Dodge Stealth models (including R/T Turbo and SL trims).

The Competition Clutch ST Series Steel Flywheel is engineered for street-driven and naturally aspirated applications where maintaining driveability is critical. This 14lb flywheel provides a significant reduction in rotational mass over the heavy factory unit, resulting in improved throttle response and faster engine deceleration without sacrificing the low-end torque required for smooth street starts. It is an ideal performance upgrade for vehicles utilizing Stage 1 or Stage 2 clutch kits.

Manufactured from 4140 forged steel, this flywheel features a robust one-piece design to ensure structural integrity under high RPMs and heavy use. Unlike multi-piece flywheels, the integrated ring gear provides additional safety and durability for long-term street performance.

• Manufacturer Part Number: 2-622-ST
• Material: 4140 Forged Steel
• Weight: 14 lbs
• Design: One-piece CNC-machined construction
• Recommended Use: Naturally aspirated and street-driven performance
• Compatibility: Optimized for Stage 1 and Stage 2 clutch applications

Fits select 1998-2008 Chevrolet Prizm, Pontiac Vibe, and Toyota Celica, Corolla, Matrix, and MR2 Spyder.

The Competition Clutch Ultra Lightweight Steel Flywheel (STU series) is engineered to reduce rotating mass, allowing for significantly quicker throttle response and faster revving. Machined from high-tensile 4140 forged steel, this one-piece design offers superior durability compared to cast or multi-piece flywheels. It is specifically recommended for forced induction applications, track use, and rally racing, and performs best when paired with Stage 3 or higher clutch kits.

• Manufacturer Part Number: 2-617-2STU
• Material: 4140 Forged Steel
• Weight: 10 lbs
• Design: One-piece construction
• Application: Ideal for forced induction and track/rally racing
• Compatibility: Optimized for Stage 3 and up clutch applications

Fits select 2000-2011 Lotus Elise and Exige, Toyota Celica and Matrix, and Pontiac Vibe models. This Competition Clutch Ultra Lightweight Steel Flywheel (STU suffix) is engineered for high-performance environments, specifically recommended for forced induction systems or dedicated track and rally racing applications.

Machined from 4140 forged steel, this one-piece flywheel is significantly lighter than factory units to reduce rotational mass. The result is quicker revving capabilities and improved throttle response. This 10lb flywheel is specifically designed to complement Stage 3 and higher clutch applications where rapid engagement and durability are paramount.

• One-piece 4140 forged steel construction for maximum durability
• Weighs 10lbs for reduced inertia and faster engine acceleration
• Optimized for track, rally, and forced induction vehicles
• Engineered for Stage 3 and higher clutch kits
• Manufacturer Part Number: 2-617-1STU

Fits select 1988-1998 Toyota Supra and 1992-1997 Lexus SC300 Base models.

The Competition Clutch Ultra Lightweight Steel Flywheel (STU series) is engineered for high-performance applications where rapid engine response and reduced rotational mass are critical. Weighing in at 10 lbs, this flywheel is machined from 4140 forged steel in a one-piece design, providing superior durability compared to multi-piece alternatives under the high heat and stress of competition use.

Designed primarily for forced induction setups, track racing, and rally applications, this ultra-lightweight component allows for significantly quicker revving. It is ideally suited for pairing with Stage 3 or higher clutch kits to ensure consistent power engagement and driveline efficiency.

• Manufacturer Part Number: 2-607-2STU
• Material: 4140 Forged Steel
• Weight: 10 lbs
• Construction: One-piece forged design
• Recommended Use: Forced induction, track, and rally racing

Vehicle Fitment:

• 1992-1997 Lexus SC300 Base
• 1988-1998 Toyota Supra Base

Fits select 1988-1998 Toyota Supra and 1992-1997 Lexus SC300 (Base) equipped with 1JZ/2JZ engines and the W58 manual transmission.

This Competition Clutch Lightweight Steel Flywheel is engineered for street-driven and naturally aspirated applications that require a balance between rapid engine response and daily driveability. CNC-machined from high-strength 4140 forged steel, the one-piece design provides superior durability and heat dissipation compared to factory cast-iron or multi-piece aluminum alternatives.

At 13.47 lbs, this flywheel reduces rotational inertia to sharpen throttle response and allow for faster rev-matching while retaining enough mass to prevent stalling and preserve low-end torque. It is specifically designed to pair with Stage 1 and Stage 2 clutch kits for a reliable, high-performance drivetrain solution.

• Material: 4140 Forged Steel
• Weight: 13.47 lbs
• Design: One-piece construction
• Compatibility: Works with Stage 1 and Stage 2 clutch applications
• Engine fitment: 1JZ/2JZ platforms
• Transmission: Toyota W58 5-speed
• Manufacturer Part Number: 2-607-2ST

Fits 1983-1991 Mazda RX-7 (including Turbo, GS, GSL, GSL-SE, and GXL models).

The Competition Clutch STU Ultra Lightweight Steel Flywheel is engineered for high-performance forced induction, track, and rally racing applications. By utilizing a one-piece design machined from high-tensile 4140 forged steel, this flywheel significantly reduces rotational mass to enable faster engine acceleration and quicker revving capabilities. It is specifically designed to handle the increased demands of Stage 3 clutch kits and beyond.

• Manufactured from 4140 forged steel for maximum durability
• One-piece construction eliminates the risk of ring gear separation
• Ultra-lightweight profile reduces inertia for improved throttle response
• Ideal for turbocharged engines and competitive racing use
• Manufacturer Part Number: 2-604-STU

Fits select 1970-1983 Nissan 200SX, 240Z, 260Z, 280Z, and 280ZX.

The Competition Clutch Ultra Lightweight Steel Flywheel (STU suffix) is engineered for high-performance forced induction, track, and rally racing applications. Machined from 4140 forged steel, this one-piece design significantly reduces rotational mass compared to factory components, facilitating quicker engine response and faster revving capabilities. This ultra-lightweight unit is specifically recommended for high-demand builds utilizing Stage 3 or higher clutch kits.

• Manufacturer Part Number: 2-588-STU
• Weight: 12.32 lbs
• Material: 4140 Forged Steel
• Design: One-piece construction
• Compatibility: Optimized for Stage 3 and higher clutch applications
• Usage: Recommended for racing, track, and forced induction environments

Fits 1989-1998 Nissan 240SX (Base, LE, SE, and XE models).

The Competition Clutch Ultra Lightweight Steel Flywheel (STU series) is engineered specifically for high-performance track, rally, and forced induction applications. Machined from a single piece of 4140 forged steel, this 12.32lb flywheel significantly reduces rotational mass compared to factory components, facilitating quicker engine revs and improved throttle response. It is a one-piece design optimized for the increased thermal and mechanical demands of Stage 3 and higher clutch kits.

• Manufacturer Part Number: 2-588-2STU
• Material: 4140 Forged Steel
• Weight: 12.32 lbs
• Series: Ultra Lightweight (STU)
• Design: One-piece forged construction
• Application: Ideal for Track, Rally, and Forced Induction

Fits 2003-2006 Nissan 350Z and Infiniti G35 (VQ35DE).

Engineered for high-performance track, rally, and forced induction applications, the Competition Clutch Ultra Lightweight Steel Flywheel (STU suffix) significantly reduces rotational mass to improve throttle response. This 13.89lb flywheel is precision-machined from 4140 forged steel with a robust one-piece design, ensuring maximum durability under the extreme thermal and mechanical stress of racing. By reducing the inertia compared to factory components, it enables quicker revving capabilities and faster engine acceleration, making it an ideal pairing for Stage 3 or higher clutch kits.

• Manufactured from high-strength 4140 forged steel
• One-piece design for enhanced structural integrity and safety
• Weight: 13.89 lbs for significantly reduced rotational inertia
• Specifically recommended for forced induction and competitive racing
• Well-suited for Competition Clutch Stage 3 and up applications
• Manufacturer Part Number: 2-350Z-STU

Fits select 2003-2007 Nissan 350Z and Infiniti G35 models equipped with the VQ35DE engine.

The Competition Clutch Lightweight Steel Flywheel (ST Series) is engineered specifically for naturally aspirated and street-driven applications where maintaining driveability is just as important as performance. This flywheel provides a balance between reduced rotating mass and the preservation of low-end torque, making it a preferred choice for Stage 1 and Stage 2 clutch setups. Each flywheel is manufactured from high-tensile 4140 forged steel with a robust one-piece design to ensure long-term durability and safety under high-RPM use.

• Manufacturer Part Number: 2-350Z-ST
• Material: 4140 Forged Steel
• Construction: One-piece design
• Weight: 18.65 lbs
• Application: Optimized for street and naturally aspirated use
• Compatibility: Recommended for Stage 1 and Stage 2 clutch kits

Fits 1986-1992 Toyota Supra (Base and Turbo). Competition Clutch ST Series Lightweight Steel Flywheels are engineered for naturally aspirated and street-driven vehicles where maintaining low-end torque and smooth drivability is essential. This 14lb flywheel is an ideal upgrade for Stage 1 and Stage 2 clutch applications, offering a significant reduction in rotational mass over factory components without the harshness of ultra-light race units.

Manufactured from high-strength 4140 forged steel, this flywheel features a robust one-piece design to ensure structural integrity under high RPM and heat. The increased durability of forged steel over cast iron makes it a reliable choice for performance-oriented street cars.

• Part Number: 2-1JZ-ST
• Material: 4140 Forged Steel
• Design: One-piece construction
• Weight: 14 lbs
• Recommended for: Naturally aspirated, street, and Stage 1-2 clutch setups

Fits 2006-2015 Mazda MX-5 Miata.

Competition Clutch Ultra Lightweight Steel Flywheels (STU series) are engineered for high-performance forced induction, track, and rally racing applications. This flywheel is precision-machined with significantly reduced mass to facilitate quicker engine revving and sharper throttle response. It is an ideal match for vehicles utilizing Stage 3 or higher performance clutch kits.

• One-piece design manufactured from high-strength 4140 forged steel for maximum durability
• Engineered for high-RPM stability and improved acceleration
• Optimized for forced induction and competitive motorsport use
• Replaces the heavier factory unit to minimize rotating mass
• Manufacturer Part Number: 2-10060-STU

Compatible with: 2006-2015 Mazda MX-5 Miata (Base, Club, Club Spec, Grand Touring, Sport, SV, Touring, Special Edition, and 25th Anniversary Edition).

Fits 2002-2006 Acura RSX Type-S and 2006-2011 Honda Civic Si (including MUGEN Si) with K-Series engines.

The Competition Clutch 184 Series Full Race Twin Disc Clutch Kit is engineered for extreme performance applications, providing a torque capacity rated for up to 1350HP. This assembly features a compact 184mm diameter to reduce rotational mass, improving engine response and shifting speed. The kit utilizes a proprietary Power-V drive system, which allows the floater plates to self-center during operation. This system ensures even distribution of drive forces and maintains inherent dynamic balance, reducing stress on internal components and extending the service life of the clutch assembly.

Constructed using advanced CAD/CAM design and CNC machining, this kit features micro-finished friction material for predictable engagement and precision-engineered diaphragms for consistent pedal feel. Designed as a direct bolt-in solution for K-Series drivetrains, it is fully tested and assembled to meet the demands of dedicated racers and high-horsepower enthusiasts.

• Manufacturer Part Number: 1848037-2
• Disc Diameter: 184mm
• Disc Material: Ceramic
• Horsepower Rating: Up to 1350HP
• Drive System: Proprietary Power-V self-centering technology
• Construction: CNC machined components and CAD/CAM design
• Assembly: Built and tested in Anaheim, CA

Fits select 1994-2001 Acura Integra and Honda Civic del Sol VTEC models.

The Competition Clutch 184 Series Full Race Twin Disc Clutch Kit is engineered for extreme racing applications, supporting power levels up to 1350HP. Designed and assembled in Anaheim, CA, this kit utilizes CAD/CAM engineering and CNC machining to ensure precise tolerances for high-performance builds. It features a proprietary micro-finished friction material that provides smooth engagement while maintaining the durability required for race conditions.

This assembly is equipped with the Power-V drive system, which allows the floater plates to self-center during operation. This mechanism evens out drive forces across the clutch assembly, providing inherent dynamic balance and lowering component stress for a longer service life. Designed as a direct bolt-in solution, this kit eliminates the guesswork for builders looking for reliable power transfer.

• Disc Diameter: 184mm
• Torque Capacity: Rated up to 1350HP
• Material: Proprietary micro-finished ceramic friction surface
• Design: CAD/CAM designed with CNC machined diaphragms
• Drive System: Power-V self-centering floater plates
• Manufacturing: Built and tested in Anaheim, California
• Manufacturer Part Number: 1848026-2

Fits 1990-2002 Honda Accord, 1992-2001 Honda Prelude, and 1997-1999 Acura CL.

Designed for extreme high-performance applications, the Competition Clutch 184 Series Full Race Twin Disc Clutch Kit is engineered to handle up to 1350HP. This assembly features a proprietary micro-finished ceramic friction material that balances aggressive holding power with predictable engagement. Using a CAD/CAM design process, each kit is CNC machined to precise tolerances to ensure a direct bolt-in installation for high-output engine builds.

The kit utilizes the innovative Power-V drive system, which allows the floater plates to self-center during operation. This mechanism evens out drive forces, maintains inherent dynamic balance, and increases the overall surface area to reduce stress on internal components, significantly extending the service life of the assembly.

• Rated for power levels up to 1350HP
• 184mm twin ceramic disc configuration
• Power-V drive system for balanced load distribution and floater centering
• Precision CNC-machined diaphragms and components
• CAD/CAM designed for optimal geometry and durability
• Assembled and tested in Anaheim, California
• Manufacturer Part Number: 1848014-2

Fits select 2005-2015 Scion tC, Scion xB, and Toyota Matrix S/XRS models.

The Competition Clutch Stage 2 Street Series 2100 Clutch Kit is engineered for drivers requiring a significant upgrade over stock without sacrificing daily driveability. This kit provides up to an 80% increase in torque capacity, making it an ideal choice for vehicles with mild performance modifications, aggressive street use, and moderate track sessions. The kit features a high-torque sprung disc paired with anti-burst steel-backed Brass Plus facings, ensuring smooth engagement and extended service life.

• Torque Capacity: Up to an 80% increase over OEM specifications
• Friction Material: Alloy-backed Brass Plus for heat resistance and durability
• Pressure Plate: Performance-rated for increased clamping force
• Disc Design: Sprung hub for vibration dampening and street-friendly engagement
• Included Components: Performance pressure plate, high-torque sprung disc, throw-out bearing (where applicable), pilot bearing/bushing (where applicable), and alignment tool
• Manufacturer Part Number: 16108-2100

Fits 1988-1997 Toyota Supra and Lexus SC300 Base models.

The Competition Clutch Stage 3.5 (2600 Series) Street/Strip Clutch Kit is engineered for high-performance applications, offering up to a 150% increase in torque capacity over factory components. This kit utilizes a high-torque sprung disc featuring segmented ceramic facings to deliver the aggressive bite required for the track while maintaining the engagement characteristics necessary for street use.

Designed to withstand increased thermal loads and high-RPM shifting, the segmented ceramic material provides improved heat dissipation and an extended service life compared to standard organic discs. This kit is an ideal solution for modified 2JZ and 1JZ platforms that have exceeded the limits of the original equipment clutch assembly.

• Manufacturer Part Number: 16085-2600
• Torque Capacity: Up to 150% increase
• Disc Material: Segmented Ceramic
• Disc Style: High-torque sprung hub
• Pressure Plate: High-performance street/strip unit
• Kit Includes: Performance pressure plate, sprung ceramic disc, throw out bearing, pilot bearing/bushing, and alignment tool (where applicable)

Fits select 1988-1998 Toyota Supra and 1992-1997 Lexus SC300 models. The Competition Clutch Stage 2 Street Series 2100 Clutch Kit (MPN 16085-2100) is engineered for drivers requiring up to an 80% increase in torque capacity over the factory unit. This system is specifically tuned for aggressive street use and moderate track applications, utilizing a high-torque sprung disc with anti-burst steel-backed Brass Plus facings to ensure durability under increased thermal loads.

• Brass Plus friction material with alloy backing for smooth engagement and extended service life.
• Performance pressure plate designed for increased clamping force without sacrificing pedal feel.
• Sprung hub assembly reduces drivetrain shock and vibration.
• Complete kit includes pressure plate, sprung disc, throw out bearing, pilot bearing/bushing, and alignment tool (where applicable).

Fits 1988-1998 Lexus SC300 and Toyota Supra Base models.

The Competition Clutch Stage 4 Strip Series 1620 clutch kit is designed for high-horsepower applications requiring aggressive engagement and significantly increased load capacity. This kit provides up to a 250% increase in torque capacity, making it an ideal choice for forced induction or heavily modified naturally aspirated engines. The 6-puck high-torque sprung disc features ceramic buttons for superior heat dissipation and bite, while the sprung hub assembly helps dampen drivetrain shock during rapid shifts.

• Manufacturer Part Number: 16085-1620
• Series: 1620 (Strip Series)
• Torque Capacity: Up to 250% increase over OEM
• Disc Style: 6-puck ceramic sprung disc
• High-performance pressure plate provides increased clamping force
• Kit Includes: Performance pressure plate, 6-puck ceramic disc, throw-out bearing, pilot bearing/bushing (as required), and alignment tool

Fits select 1990-2008 Toyota, Geo, Chevrolet, and Pontiac models including Corolla, Celica, Matrix, MR2 Spyder, Prizm, and Vibe.

The Competition Clutch Stage 2 Street Series 2100 Clutch Kit is engineered for drivers who need a significant torque upgrade without losing daily drivability. This kit provides an 80% increase in torque capacity, specifically designed for aggressive street driving and moderate track days. It features the Steelback Brass Plus friction material with an alloy backing for smooth engagement and a significantly longer lifespan than standard organic components.

• Manufacturer Part Number: 16080-2100
• Torque Capacity: Up to 80% increase over stock
• Disc Design: High-torque sprung hub with anti-burst steel-backed Brass Plus facings
• Pressure Plate: Included performance pressure plate for higher clamping force
• Full Kit Components: Includes performance pressure plate, high-torque sprung disc, throw-out bearing, pilot bearing/bushing (where applicable), and alignment tool

This 2100 Series kit is the ideal solution for enthusiast vehicles that require increased holding power for high-RPM shifting and performance driving while maintaining a manageable pedal feel.

Fits select 1990-2008 Toyota Corolla, Celica, Matrix, and MR2 Spyder; Geo Prizm; Chevrolet Prizm; and Pontiac Vibe models.

The Competition Clutch Stage 4 Strip Series 1620 Clutch Kit is designed for high-horsepower applications that demand aggressive engagement and substantially increased holding power. Featuring a six-puck high-torque sprung disc with ceramic buttons, this kit provides up to a 250% increase in torque capacity over the original equipment. It is engineered to withstand the rigors of heavy track use while maintaining the durability needed for high-output street builds.

• Manufacturer Part Number: 16080-1620
• Series: Stage 4 Sprung – Strip Series 1620
• High-torque 6-puck sprung disc with ceramic buttons
• Up to 250% increase in torque capacity
• Includes performance pressure plate and alignment tool
• Includes throw-out bearing and pilot bearing/bushing (where applicable)

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

The Competition Clutch Stage 3 Street/Strip Series 2600 Clutch Kit is engineered for high-performance builds requiring a significant upgrade in holding power without sacrificing drivability. This kit provides a 150% increase in torque capacity over the factory unit, making it an ideal choice for forced induction or heavily modified naturally aspirated engines. The segmented ceramic material provides quick, positive engagement and superior heat dissipation for consistent performance during aggressive driving.

This kit is designed to be used with the factory flywheel or a compatible aftermarket replacement (not included). The sprung-hub disc helps dampen drivetrain vibrations, while the performance pressure plate ensures maximum clamping force.

• Stage 3 Street/Strip Series 2600 Segmented Ceramic Kit
• Up to 150% increase in torque capacity
• High-torque sprung disc with segmented ceramic facings
• Includes performance pressure plate and alignment tool
• Includes throw-out bearing and pilot bearing/bushing (where applicable)
• Designed for 2013-2020 Scion FR-S, Subaru BRZ, and Toyota 86
• Manufacturer Part Number: 15035-2600

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

The Competition Clutch Stage 2 Street Series 2100 clutch kit is engineered for drivers requiring a significant upgrade for aggressive street use and moderate track applications. This kit provides up to an 80% increase in torque capacity over the factory unit. The performance pressure plate is paired with a high-torque sprung disc featuring anti-burst steel-backed Brass Plus facings. This alloy-backed material ensures smooth engagement and extended service life under higher thermal loads without sacrificing drivability.

• Manufacturer Part Number: 15035-2100
• Series: Stage 2 - Street Series 2100
• Torque Capacity: Up to 80% increase over OEM
• Disc Material: Steelback Brass Plus (Alloy backing)
• Disc Style: High-torque sprung hub
• Compatibility: Designed for use with factory-style flywheels (flywheel not included)
• Included Hardware: Performance pressure plate, clutch disc, throw-out bearing, pilot bearing/bushing (where applicable), and alignment tool

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

The Competition Clutch Stage 4 Sprung – Strip Series 1620 Clutch Kit is engineered for high-horsepower applications requiring aggressive engagement and significantly higher clamping force. This kit provides up to a 250% increase in torque capacity over the factory unit, making it an ideal choice for forced induction or heavily modified naturally aspirated builds. The centerpiece is a six-puck ceramic button disc designed to withstand intense heat and provide a bite that won't slip under load.

This 1620 Series kit is designed for drivers who demand a performance-oriented setup for track or strip use while maintaining a sprung hub to help dampen driveline shock. Note that this specific kit (MPN 15035-1620) does not include a flywheel and is intended to be used with a compatible OE or aftermarket flywheel.

• Manufacturer Part Number: 15035-1620
• High-torque 6-puck sprung ceramic disc
• Performance pressure plate for increased clamping force
• Significant 250% increase in torque capacity
• Includes throwout bearing and pilot bearing/bushing (where applicable)
• Includes alignment tool for precise installation

Fits 2004-2021 Subaru WRX STI and Impreza WRX STI across all trims, including Limited, Type RA, and S209.

The Competition Clutch OE-style stock clutch kit (15030-STOCK) is a precise replacement solution for vehicles that are stock or equipped with basic bolt-on modifications. This kit is engineered to restore factory-spec performance, ensuring your drivetrain maintains its original torque capacity and smooth pedal engagement without the increased effort often found in heavy-duty racing clutches.

• Manufacturer Part Number: 15030-STOCK
• Direct replacement for original equipment (OE) components
• Maintains factory torque capacity and pedal feel
• Engineered for daily drivability and reliability
• Designed for stock and mildly modified engines