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ACT's clutch kit for the Mazdaspeed3 features a Heavy Duty Pressure Plate that incorporates hardened diaphragm fingers for decreased wear and provides a 48% increase in clamp force over the stock unit. The ACT Performance Street Clutch Kit combines the Heavy Duty Pressure Plate and a Performance Organic Disc, a disc that features special performance organic friction materials to withstand increased heat and abuse, steel backed linings for high burst strength and modifications engineered for quicker shifting.
The ACT Performance Street Clutch Kit provides increased pedal feel, smooth engagement and significantly improved consistency, durability and increases the torque capacity to 365 lbs/ft. ACT's Performance Street friction surface is SFI certified and is an excellent choice for modified, street driven cars and race cars.
The SS disc provides quicker engagement than a stock surface and is quiet compared to other, more aggressive, friction surfaces. The sprung hub uses bushings and cone springs similar to OEM clutch discs; this creates frictional dampening that improves clutch life and reduces noise.