ACT Mustang twin-disc kits are certified SFI Spec. 1.2. The ACT twin-disc kit offers Mustang enthusiasts a wide range of street-friendly to race-ready kits with torque capacities from 875 – 1470 lbs/ft of torque. All kits offer discs that have twice the surface area and wear for high heat capacity and long life, and include our proprietary precisionground floater lift system, which allows for adjustment to compensate for wear. Each kit offers a choice of three different clamp load designs for unparalleled performance and moderate pedal effort. Users also have the option of choosing disc combinations that feature high torque capacities along with smooth consistent engagement. All ACT Mustang twin-disc kits include a CNC-machined and dynamically balanced flywheel in either 6- or 8-bolt patterns to ensure smooth, trouble free installation and operation Driver and spectator safety are top priority at ACT. Each assembly is tested and certified to meet SFI Spec 1.2 standards, which means that all XTREME twin-disc kits are legal for competition when SFI Spec. 1.2 is required or recommended. Each XTREME kit comes complete with an official SFI sticker and a serial number as required for certification. The new XTREME twin disc kits for the 4.6L Mustang are available in both 10- and 26-spline configurations. ACT’s Xtreme twin disc kits are a perfect complement to an already expansive catalog of over 500 performance clutch kits and components for more than 300 different applications. ACT Clutches deliver the maximum holding power by applying a series of sound engineering advancements to new (not rebuilt) components which maximizes load and reduces flex. The result is maximum torque capacity, long life and clean, fast shifting.

S= Solid Street Disc
R= Solid Hub Race Disc
SR= Solid Street Disc/Solid Hub Race Disc Combination