Aluminum Flywheel Aluminum Flywheel;For Use With 11in. Clutch;184 Ring Gear Teeth;15.503in. Ring Gear Diameter;Weight 17.5 lbs.;28oz. Counter Balance FORD RANCHERO 500 BASE GT 1968 1969 7L Big Block FE Super CJ (428) 7L Big Block FE ThunderBird (428) GAS Centerforce Centerforce Aluminum Flywheel - 900270 900270 Clutch Flywheels