Ford V8 11" Billet Flywheel & Clutch Assembly, Release & Pilot Bearings and ARP Bolts Save $$ by purchasing a RTS Clutch package which includes all the items associated with completing the job sucessfully FLYWHEEL RTS Explosion Proof billet steel flywheels are designed from the ground up to deliver high performance results. Starting with CAD engineering and tested to limits far above the SFI-ratings, these flywheels are then constructed from 4140 high-quality materials to ensure reliable results. These flywheels are sure to deliver what they promise: Features include: * CAD engineered * 4140 Steel and Heat-treated ring gears * Available in Standard finish or with a black oxide anti-corrosive finish * CNC-machined finish * Available in multiple configurations Clutch Kit This pressure plate bolt pattern uses Both the 6 x evenly spaced 3/8"bolt holes used in some Ford Flywheels. Commonly known as Bronco Pattern as well as the uneven spaced 5/16" bolt pattern Commonly known as 3 finger or Long Style RTS steel flywheels are drilled for these and all other Ford bolt patterns