ACT Performance Street Sprung Disc for Multiple Subaru Models ACT:Default Title and steel nitride/Napier XX ring

and steel nitride/Napier XX ring technology for superior heat management and wear resistance

Adjustable VTEC engagement by load and throttle

we developed a durable

When we began designing our RSX shifter

ACT Performance Street Sprung Disc for Multiple Subaru Models ACT:Default Title and steel nitride/Napier XX ringACT's 4 pad sprung racing clutch disc delivers aggressive engagement and superior holding power for high performance Miata applications. The sprung hub design reduces drivetrain shock while the four pad configuration provides increased friction surface area compared to stock units. Engineered for track use and spirited driving, this disc handles elevated power levels and sustained heat cycles. . Upgrade your clutch system with proven racing technology