Aluminum Flywheel Aluminum Flywheel;For Use With 12in. Clutch;168 Ring Gear Teeth;14.096in. Diameter Ring Gear;Weight 15.5 lbs.;No Counter Balance CHEVROLET GMC SIERRA 1500 SILVERADO 1500 LT SLE SLT SS 2003 2004 2005 2006 6L GEN III LQ9 HO Vortec (364) GAS Centerforce Centerforce Aluminum Flywheel - 900142 900142 Clutch Flywheels