Fits 2012-2016 Scion FR-S (2.0L).

The Clutch Masters Master Cylinder Upgrade Kit is engineered to replace the restrictive factory unit with a larger 0.70-inch bore cylinder. This upgrade is essential for drivers utilizing heavy-duty aftermarket pressure plates, as the increased bore size provides improved hydraulic displacement and a more consistent, predictable pedal feel for cleaner clutch engagement and disengagement.

• Precision 0.70-inch bore optimizes hydraulic pressure and stroke
• Durable black finish for superior corrosion resistance
• Direct-fit design mounts to factory locations for a straightforward installation
• Eliminates the vague feel often associated with the OE plastic master cylinder
• Manufacturer Part Number: MC15738-BK

Fits 2015-2023 Subaru WRX and WRX STi models.

The Clutch Masters .75in Bore Master Cylinder Upgrade Kit (MC15020-R) is engineered to solve the vague pedal feel and hydraulic strain often encountered when running heavy-duty aftermarket pressure plates. By increasing the bore diameter to .75 inches, this kit provides superior hydraulic leverage and more consistent fluid displacement compared to the factory unit, ensuring a crisp, predictable clutch engagement point.

• Precision-machined .75in bore for improved pedal feedback and displacement
• Anodized red finish for superior corrosion resistance and engine bay aesthetics
• Direct-fit design engineered to integrate with factory mounting points
• Includes all necessary hardware for a complete installation
• Designed for high-performance street and track applications
• Manufacturer Part Number: MC15020-R

Fits 2015+ Subaru WRX and STI models.

The Clutch Masters .75in Bore Master Cylinder Upgrade Kit (MC15020-BK) is engineered to solve the common issues of vague pedal feel and inconsistent engagement found in high-performance clutch setups. By increasing the bore size to 0.75 inches, this master cylinder provides the necessary fluid volume and pressure to properly actuate heavy-duty pressure plates, resulting in a more tactile and predictable clutch pedal travel.

Constructed with a durable black finish to resist corrosion and maintain a clean engine bay aesthetic, this kit replaces the factory hydraulic unit and bolts directly to the OEM mounting points. It is an essential upgrade for Subaru owners running aftermarket multi-disc or high-clamping force clutches who require precise control and reliability.

• Manufacturer Part Number: MC15020-BK
• Bore Diameter: 0.75 inches
• Finish: Black
• Compatible with 2015+ Subaru WRX and STI
• Includes all necessary hardware for installation

Fits 2002-2021 Subaru WRX and STi models.

The Clutch Masters Master Cylinder Upgrade Kit (MC15017-V) provides a significant improvement over the factory hydraulic system by utilizing a larger 0.75-inch bore. This increase in bore size allows for more efficient fluid displacement, which is essential when running high-performance pressure plates that require more volume to achieve clean clutch disengagement. The result is a more consistent pedal feel and a more predictable engagement point during aggressive shifting.

Built for durability and precision, this kit features a striking violet anodized finish and is designed to bolt into the factory mounting position. It addresses common issues like soft pedal feel or incomplete disengagement often found in modified Subaru drivetrains.

• Manufacturer Part Number: MC15017-V
• Bore Diameter: 0.75 inches
• Finish: Violet Anodized
• Application: Replaces factory master cylinder for improved hydraulic leverage
• Compatible with 2002-2021 Subaru WRX and WRX STi chassis

Fits 2004-2014 Subaru WRX and WRX STi models.

The Clutch Masters 0.75in Bore Master Cylinder Upgrade Kit is designed to improve clutch engagement and pedal feel on 2004-2014 Subaru WRX and STi platforms. Replacing the factory unit with a larger 0.75-inch bore allows for more consistent modulation and a firmer, more communicative pedal. This upgrade is specifically beneficial when running high-clamp load aftermarket clutch kits that often require more hydraulic volume than the stock cylinder provides.

This kit features a red anodized finish for long-lasting corrosion resistance and a custom appearance in the engine bay. It is engineered to install into the factory mounting position using the included hardware for a straightforward upgrade process.

• Precision-machined 0.75-inch bore for improved hydraulic performance
• Red anodized finish for durability and aesthetics
• Includes all necessary installation hardware
• Direct-fit for GD and GR chassis Subaru WRX and STi
• Manufacturer Part Number: MC15017-R

Fits 2002-2021 Subaru WRX and STI models.

The Clutch Masters Master Cylinder Upgrade Kit (MC15017-BK) is engineered to enhance clutch pedal feel and hydraulic efficiency, particularly on vehicles equipped with heavy-duty aftermarket pressure plates. By utilizing a .75in bore size, this kit provides the necessary displacement to ensure clean clutch release and consistent engagement, overcoming the limitations of the factory master cylinder in high-performance applications.

• Bore Diameter: .75in
• Finish: Durable Black Anodized
• Designed for improved pedal modulation and response
• Compatible with 2002-2021 Subaru WRX/STI
• Includes installation hardware and fittings
• Manufacturer Part Number: MC15017-BK

Designed for universal Honda and Acura hydraulic clutch applications, this Clutch Masters Master Cylinder Upgrade Kit optimizes hydraulic fluid flow and pedal feedback. It is an essential upgrade for vehicles equipped with heavy-duty performance clutches where the factory master cylinder may lack the displacement or durability required for consistent engagement.

This kit features a .75in bore to provide a more precise engagement point and a firmer, more communicative pedal feel. The cylinder is finished in black for a clean, professional appearance in the engine bay and improved resistance to the elements.

• Manufacturer Part Number: MC08UN-9BK
• Bore Diameter: .75in
• Application: Fits universal Honda and Acura hydraulic systems
• Finish: Black
• Enhances fluid displacement for high-pressure pressure plate applications
• Replaces or upgrades restrictive OE master cylinders

Fits 2017-2021 Honda Civic Type R (2.0L).

The Clutch Masters Master Cylinder Upgrade Kit (MC08520-R) provides a robust, high-performance replacement for the factory clutch master cylinder. Designed to withstand the increased pressures of performance clutches, this kit features a larger 0.75-inch bore that improves hydraulic displacement and provides a more consistent, communicative pedal feel.

• Precision-machined 0.75-inch bore for increased fluid volume
• Durable red anodized finish for superior corrosion resistance and engine bay aesthetics
• Direct-fit design engineered specifically for the 2.0L Turbo FK8 chassis
• Replaces the plastic OE cylinder with a durable, high-pressure alternative
• Manufacturer Part Number: MC08520-R

Fits 2017-2021 Honda Civic Type R (2.0L).

The Clutch Masters Master Cylinder Upgrade Kit (MC08520-BK) is designed to replace the restrictive factory hydraulic unit on the FK8 chassis. By utilizing a larger .75in bore, this kit improves fluid displacement and provides a more direct, consistent pedal feel—eliminating the vague engagement often found with the OE plastic master cylinder. This upgrade is essential for drivers requiring precise clutch control and durability during high-performance use or track environments.

• Bore Size: .75in
• Finish: Black Anodized
• Application: 2017-2021 Honda Civic Type R (FK8)
• Engine Compatibility: 2.0L Turbo
• Manufacturer Part Number: MC08520-BK

Fits 2022-2024 Honda Civic 1.5L Turbo and 2023-2024 Honda Civic Type R 2.0L models equipped with a 6-speed manual transmission.

The Clutch Masters MC08222-R is a performance-oriented clutch master cylinder designed to deliver more consistent hydraulic pressure and a more positive pedal feel compared to the factory unit. This upgrade is especially beneficial for vehicles running aftermarket clutch kits that require higher clamp loads, ensuring the hydraulic system can keep up with demanding driving conditions.

• Manufacturer Part Number: MC08222-R
• Finish: Anodized Red
• Compatibility: 6-Speed Manual Transmissions
• Direct fitment for 11th Gen Civic (1.5L) and FL5 Type R (2.0L)
• Engine Fitment: 1.5L Turbo / 2.0L Turbo

Fits 2022-2024 Honda Civic 1.5L Turbo and 2023-2024 Honda Civic Type R 2.0L with 6-speed manual transmission.

The Clutch Masters MC08222-BK is a high-performance clutch master cylinder engineered to improve hydraulic reliability and pedal consistency. As a direct-fit replacement for the factory unit, it is designed specifically for the 11th generation Honda Civic and FL5 Type R platforms. This upgrade is ideal for enthusiasts who have installed performance clutch kits and require a more robust hydraulic system to handle increased line pressures without compromising pedal feel.

• Direct-fit for 6-speed manual transmission models
• Durable black finish for professional appearance and corrosion resistance
• Maintains consistent hydraulic pressure under performance conditions
• Engineered to withstand the demands of heavy-duty aftermarket clutch kits
• Manufacturer Part Number: MC08222-BK

Fits 2017-2021 Honda Civic EX and Si (1.5L Turbo).

The Clutch Masters .75in Bore Master Cylinder Upgrade Kit is engineered to resolve the limitations of the factory clutch hydraulic system. In the 10th Gen Civic 1.5L, the restrictive stock master cylinder can result in a vague pedal feel or inconsistent engagement, particularly when paired with high-performance aftermarket clutches. This kit replaces the OE unit with a larger-bore alternative that provides increased fluid displacement and superior pedal feedback.

Constructed for durability and precision, the master cylinder features a violet anodized finish and includes the specific hardware required for a clean installation. This upgrade is essential for enthusiasts demanding consistent shifting performance and a more tactile clutch response during spirited driving or track sessions.

• Manufacturer Part Number: MC08150-V
• Bore Size: .75 inch
• Finish: Violet Anodized
• Application: Direct-fit upgrade for 1.5L Turbo 6-speed manual platforms
• Compatible with factory clutch lines or stainless steel upgrades

Fits 2017-2021 Honda Civic EX and Si (1.5L Turbo).

Replace the factory plastic master cylinder in your 10th Gen Civic with this robust Clutch Masters Master Cylinder Upgrade Kit. Designed to handle the increased pressure requirements of performance clutches, this kit features a .75-inch bore that provides more consistent fluid displacement and improved pedal feel compared to the original equipment. It is a critical solution for drivers who have experienced the common failure of the OE plastic unit when paired with heavy-duty pressure plates.

• Direct-replacement upgrade for the failure-prone factory plastic cylinder
• Large .75-inch bore size for superior hydraulic volume and pedal control
• Red finish for a custom look and corrosion resistance
• Engineered specifically for the 1.5L Turbo hydraulic system
• Manufacturer Part Number: MC08150-R

Fits 2017-2021 Honda Civic EX and Si models (1.5L).

The Clutch Masters Master Cylinder Upgrade Kit (MC08150-BK) is engineered to solve the common failure points of the factory plastic master cylinder found in 10th Generation Civics. When upgrading to high-performance aftermarket clutches with heavier pressure plates, the OE hydraulic system can struggle to maintain pressure, often leading to leaks or a vague pedal feel. This kit utilizes a .75-inch bore to provide a more consistent hydraulic stroke and improved pedal response.

Constructed for long-term durability, the master cylinder features a robust build with a black finish for a clean, professional appearance in the engine bay. This is a critical upgrade for Civic owners looking to ensure drivetrain reliability during spirited driving or track applications.

• Manufacturer Part Number: MC08150-BK
• Bore Diameter: .75 inch
• Finish: Black
• Body Material: High-strength construction replaces OE plastic
• Compatibility: Direct-fit for 2017-2021 Honda Civic EX/Si (1.5L Turbo)

Fits 2000-2009 Honda S2000 Base and CR models.

Restore consistent clutch engagement and pedal feel with the BLOX Racing Replacement Clutch Master Cylinder. This unit is engineered to replace a worn or leaking factory cylinder, providing a reliable hydraulic solution that maintains the precise pressure required for smooth gear transitions. Designed as a direct-fit component, it installs into the factory mounting location without the need for custom fabrication or modification.

• Direct OE Replacement: Designed to meet or exceed factory specifications for a seamless installation.
• Reliable Hydraulics: Replaces failing internal seals to eliminate spongy pedal feel and fluid bypass.
• Durable Construction: Built with high-quality materials to withstand the rigors of daily driving and performance use.
• Manufacturer Part Number: BXFL-10011

Fits 1992-2000 Honda Civic and 1994-2001 Acura Integra (all submodels including GS-R, Type R, and Si).

The BLOX Racing S2000 Clutch Master Cylinder Adapter (BXFL-10001-SI) allows for the installation of a compact Honda S2000 clutch master cylinder onto the 1992-2000 Civic and 1994-2001 Integra chassis. This conversion is a staple for enthusiasts performing engine bay "tucks," as the S2000 cylinder features an internal reservoir that eliminates the bulky external fluid reservoir and hoses found on factory EG, EK, and DC2 setups.

Precision-machined from high-grade billet aluminum, this adapter plate ensures a rigid, leak-free interface between the S2000 cylinder and your vehicle's firewall. The silver finish provides a clean, professional look while resisting corrosion from hydraulic fluid and environmental exposure.

• Manufacturer Part Number: BXFL-10001-SI
• Material: Billet Aluminum
• Finish: Silver Anodized
• Enables S2000 Clutch Master Cylinder (CMC) conversion
• Retains factory pedal assembly alignment
• Ideal for shaved and tucked engine bays

Fits 1992-2001 Honda Civic and Acura Integra (All Models).

The BLOX Racing S2000 Clutch Master Cylinder (CMC) Adapter allows for the seamless installation of an S2000 clutch master cylinder onto your Civic or Integra firewall. This conversion is a staple for enthusiasts performing engine bay "tucks," as the S2000 CMC features a compact design with a built-in reservoir that significantly cleans up the appearance of the engine bay by removing the bulky factory remote reservoir and lines.

• Purpose-Built: Engineered to adapt the S2000 CMC mounting pattern to the factory Honda/Acura pedal assembly and firewall.
• Clean Aesthetics: Raw finish provides a minimalist, industrial look or serves as a perfect base for custom painting or powder coating.
• Durable Construction: Precision machined to ensure a flat, leak-free seal against the firewall.
• Part Number: BXFL-10001-RAW

Vehicle Fitment

• 1992-2000 Honda Civic (CX, DX, EX, GX, HX, LX, Si, VX, Value Package)
• 1994-2001 Acura Integra (GS, GS-R, LS, RS, Special Edition, Type R)

Fits 1992-2001 Honda Civic and Acura Integra (All models including GS-R, Type R, and Si).

The BLOX Racing S2000 Clutch Master Cylinder (CMC) Adapter is engineered to allow the installation of an S2000 CMC onto the 1992-2000 Honda Civic and 1994-2001 Acura Integra chassis. This conversion is a standard modification for enthusiasts looking to clean up the engine bay or create necessary clearance for large intake manifolds, turbocharger components, or custom cooling setups. By utilizing the more compact S2000 cylinder, you gain valuable space while maintaining reliable hydraulic performance.

• Precision-machined billet construction
• Anodized black finish for corrosion resistance
• Facilitates S2000 CMC conversion for a "tucked" look
• Compatible with factory mounting locations
• Manufacturer Part Number: BXFL-10001-BK

Fits 2008-2015 Mitsubishi Lancer Evolution X (GSR, MR, MR Touring, SE, and Final Edition).

The factory plastic clutch master cylinder (CMC) in the Evolution X is a known failure point, especially when paired with the increased pressure of an aftermarket clutch. A cracked or leaking OE master cylinder can leave the pedal stuck to the floor, rendering the vehicle undrivable. The AMS Performance Evolution X Clutch Master Cylinder Upgrade Kit provides a robust solution by converting the system to a more durable, reliable configuration designed to withstand heavy-duty use.

This kit replaces the brittle stock unit with a high-strength alternative, ensuring consistent hydraulic pressure and improved pedal feel. It is a critical preventive maintenance item for street and track-driven Evo X models to avoid embarrassing and potentially dangerous mechanical failures.

• Replaces failure-prone factory plastic master cylinder
• Includes all necessary hardware for conversion
• Essential for vehicles with upgraded aftermarket clutches
• Maintains reliable clutch engagement under high-stress conditions
• Manufacturer Part Number: AMS.04.03.0002-1