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-373 MSRP: $339.00 Was: Now: $292.23 Add to Cart
USA Standard Ring & Pinion Gear Set For GM 8.5in in a 3.42 Ratio - ZG GM8.5-342 MSRP: $236.00 Was: Now: $212.91 Add to Cart