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ACT HD Race Sprung 4 Pad Clutch Kit w/ Flywheel
SB11-HDG4 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 4-pad spring-centered race disc features a spring-center to properly damp torsional vibrations for quieter operation and resist failure even 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 4-pad spring-centered race disc, engagement is harsher, but shifting is faster. ACT's 4-pad spring-centered race disc is well-suited for smaller disc sizes in smaller engines.
NOTE: Subaru has increased the clutch component sizes. Aftermarket clutches that include a flywheel must have the flywheel installed, as designed by the manufacturer.
The included flywheel must be installed due to a larger clutch components on the OEM clutches.
Application Note: 240mm upgrade. Must use ACT flywheel (included in kit).
- Feel - Light to moderate pedal effort, aggressive engagement, OE to mild gear rattle
- Life - Moderate friction life, extended by ACT's exclusive diaphragm design, rigid design may increase spline wear
- Quality - Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance
- Recommended Use - Recommended for race use only
- ACT Difference - 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability
Part Number: SB11-HDG4
Description: HD/Race Sprung 4 Pad
Torque Capacity (ft/lbs.): 565
Torque Capacity Over OE: 69%
Flywheel Tooth Count: 124
Disc Type: Race Disc
Spline Count: 24
Spline Size (in.): 1
Disc Diameter (in.): 9.4
Disc Diameter (mm.): 240
Pressure Plate Type: Heavy Duty
Product Weight (lbs.): 28.5
Kit Contents: SB020, 4240518, 600890, RB844, PB1004, AT90
Warranty (Product Warranty):One (1) Year from Retail Purchase
|Additional Warranty Information||None|
ACT HD Race Sprung 4 Pad Clutch Kit w/ Flywheel / SB11-HDG4 Fits
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