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ACT | Race Sprung 6 Pad Clutch Kit - WRX STi 04-20 / Legacy GT Spec B. 07-09


Recommended for high performance cars and for sporty driving, the ACT Lightweight Clutch kit is the solution for your Subaru WRX STI / Legacy SpecB !

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CAD $984.04 CAD $1,157.69 Save 15%


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ACT Race Sprung 6 Pad Clutch Kit 



SB10-HDG6 kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's 6-pad spring-centered race disc features a spring-center construction to properly damp torsional vibrations and resist failure under harsh conditions. ACT spring retainers utilize wraparound spring windows and thicker retainer stampings to provide spring support, reduce stress concentrations, and increase strength and reliability. With the 6-pad spring-centered race disc engagement is harsher, but shifting is faster. The 6-pad spring-centered disc is recommended for larger clutch sizes to absorb more heat. Monoloc is a one-piece, direct replacement or upgrade to the standard, two-piece wedge collar and wire ring featured in pull-type clutches. The spring tension of the segmented retaining ring is carefully calculated and tested for optimal performance. It provides uniform loading on the bearing and pressure plate to assure proper alignment, regardless of driver influence or vehicle modifications. Monoloc's hardened Chrome-moly steel construction will provide years of service.

Feel: Light to moderate pedal effort, aggressive engagement, OE to mild gear rattle, confidence during hard shifts;

Life: Moderate friction life, extended by ACT's exclusive diaphragm design, dramatic improvement in release mechanism life;

Quality: Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance, major improvement in release mechanism;

Recommended Use: Recommended for high horsepower street or race use;

ACT Difference: 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability, includes ACT's patented Monoloc



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2007-2009 Legacy GT spec.B H4 2.5L Turbo SEE NOTE1
2013-2021 WRX STi Base / Sport-tech H4 2.5L Turbo
2015 WRX STi Launch Edition H4 2.5L Turbo
2007-2014 WRX STi Limited H4 2.5L Turbo SEE NOTE2
2011-2014 WRX STi Limited H4 2.5L Turbo SEE NOTE2
2015-2021 WRX STi Limited H4 2.5L Turbo
2016 WRX STi Series.HyperBlue H4 2.5L Turbo
2010 WRX STi Special Edition H4 2.5L Turbo SEE NOTE2
2017-2021 WRX STi Sport / Sport-tech H4 2.5L Turbo
2014-2021 WRX STi Sport-tech H4 2.5L Turbo
2014 WRX STi Tsurugi Edition H4 2.5L Turbo
2018 WRX STi Type RA H4 2.5L Turbo
2004-2014 WRX STi H4 2.5L Turbo SEE NOTE2
2013-2020 WRX STi H4 2.5L Turbo
2016-2020 WRX STi H4 2.5L Turbo
2018-2020 WRX STi H4 2.5L Turbo

Note 1: 6 speed applications only. Must use ACT or factory flywheel from the 2004 and newer WRX STi.;
Note 2: 6 Speed;


Data sheet

Flywheel Included
Pressure Plate Type
Heavy Duty
Disc Type
Disc Material
Pad Quantity
Product Weight (lbs.)
Torque Capacity over OE ( % )
Torque Capacity (ft/lbs.)
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