Product Description USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment testing.
USA Standard Ring & Pinion Gear Set For GM 12 Bolt Car in a 3.42 Ratio - ZG GM12P-342 MSRP: $303.00 Was: Now: $273.24 Add to Cart
USA Standard Ring & Pinion Gear Set For GM 12 Bolt Truck in a 3.08 Ratio - ZG GM12T-308 MSRP: $397.00 Was: Now: $331.32 Add to Cart
USA Standard Ring & Pinion Gear Set For GM 12 Bolt Truck in a 3.73 Ratio - ZG GM12T-373 MSRP: $373.00 Was: Now: $304.92 Add to Cart