Richmond Gear Features: Excel Full Ring And Pinion Install Kit Height: 3.25 Width: 11.13 Length: 15.25 Weight: 6.60 lbs Fitment: 2003/Dodge/Ram 1500/ST Standard Cab Pickup 2-Door/5.9L 360Cu. In. V8 GAS OHV Naturally Aspirated::Rear, Rear 9.25 in. (12 Bolt)^^2003/Dodge/Ram 1500/ST Standard Cab Pickup 2-Door/5.7L 345Cu. In. V8 GAS OHV Naturally Aspirated::Rear, Rear 9.25 in. (12 Bolt)^^2003/Dodge/Ram 1500/ST Standard Cab Pickup 2-Door/4.7L 287Cu. In. V8 GAS SOHC Naturally Aspirated::Rear, Rear 9.25 in. (12 Bolt)^^2003/Dodge/Ram 1500/ST Standard Cab Pickup 2-Door/3.7L 226Cu. In. V6 GAS SOHC Naturally Aspirated::Rear, Rear 9.25 in. (12 Bolt)^^2003/Dodge/Ram 1500/ST Crew Cab Pickup 4-Door/5.9L 360Cu. In. V8 GAS OHV Naturally Aspirated::Rear, Rear 9.25 in. (12 Bolt)^^2003/Dodge/Ram 1500/ST Crew Cab Pickup 4-Door/5.7L 345Cu. In. V8 GAS ...