Hays Chevy 650 Street Clutch Kit + 25# Billet Steel Flywheel Package. This Hays setup is good for 650 horsepower and still offers a nice pedal feel. Package includes the following: 25# Chevy internal balance (327-350-396-427) billet steel flywheel. SFI certification. 168 tooth ring gear. 650 series 11-inch diaphragm pressure plate Miba puck (sintered) style 11-inch clutch disc. 26-spline input shaft Release bearing Clutch alignment tool Everything is brand new and in the original boxes. $899. (cost over $1100 landed)