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: $276.00 Was: Now: $261.62 Add to Cart
USA Standard Ring & Pinion Gear Set For GM 12 Bolt Truck in a 3.73 Ratio - ZG GM12T-373T MSRP: $317.00 Was: Now: $272.74 Add to Cart
USA Standard Ring & Pinion Thick Gear Set For GM 12 Bolt Truck in a 4.56 Ratio - ZG GM12T-456T MSRP: $320.00 Was: Now: $272.74 Add to Cart