21 CHEVY SILVERADO 1500 1500 REAR AXLE 9.50″ RING GEAR 3.42 RATIO GM BUILT
SILVERADO 1500 PICKUP 19 new style (mirrors mount on door skin), 9.5″ ring gear, GM built (opt SU8), 3.42 ratio (opt GU6). SILVERADO 1500 PICKUP 20-26 9.50″ ring gear, GM built (opt SU8), 3.42 ratio (opt GU6).
25 GMC SIERRA 1500 REAR AXLE 9.50″ RING GEAR 3.42 RATIO GM BUILT
SIERRA 1500 PICKUP 19 new style (mirrors mount on door skin), 9.50″ ring gear, GM built (opt SU8), 3.42 ratio (opt GU6). SIERRA 1500 PICKUP 20-25 9.50″ ring gear, GM built (opt SU8), 3.42 ratio (opt GU6).