ACT Perf Street Sprung Disc for Mazda 6 06-07 / Mazda 3 07-13 ACT:Default Title The factory inserts are soft

The factory inserts are soft plastic and degrade/crack over time causing a huge gap in the cable end

SET Includes (2) Titanium Magnetic Drain Plugs

and adds only 35-40 lbs over the OEM components

1/4″ steel lower brackets

ACT Perf Street Sprung Disc for Mazda 6 06-07 / Mazda 3 07-13 ACT:Default Title The factory inserts are softACT'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