Clutch Installation Kit Includes Flywheel, Clutch, Hydraulic Release Bearing, Hardware Fits GM 6 Bolt LS Engines with T-56 Transmission HolleyThis Kit includes all the hardware and components needed for a complete clutch install on a 6 bolt crank Ls engine using a T 56 transmission. A 12 inch organic disc with a 6 spring helix sprung hub provides the superior grip needed for the strip, while the matched diaphragm style pressure plate provides a pedal feel comfortable enough for the street. This provides 30 percent more clamping pressure and transmits that through a Billet steel flywheel.