Richmond Gear 49-0013-1 Street Gear Ring And Pinion Set Height: 5.250 Width: 11.000 Length: 15.250 Weight: 13.9 Fitment: 1973/Chevrolet/Impala/Base/5.7L 5737CC 350Cu. In. V8 GAS OHV Naturally Aspirated::Rear^^1973/Chevrolet/Impala/Base/5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated::Rear^^1973/Chevrolet/Impala/Base/5.7L 350Cu. In. V8 GAS Naturally Aspirated::Rear^^1973/Chevrolet/Impala/Base Wagon 4-Door/5.7L 5737CC 350Cu. In. V8 GAS OHV Naturally Aspirated::Rear^^1973/Chevrolet/Impala/Base Wagon 4-Door/5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated::Rear^^1973/Chevrolet/Impala/Base Wagon 4-Door/5.7L 350Cu. In. V8 GAS Naturally Aspirated::Rear^^1973/Chevrolet/Impala/Base Sedan 4-Door/5.7L 5737CC 350Cu. In. V8 GAS OHV Naturally Aspirated::Rear^^1973/Chevrolet/Impala/Base Sedan 4-Door/5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated::Rear^^1973/Chevrolet/Impala/Base Se...