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 Truck in a 3.73 Ratio - ZG GM12T-373 MSRP: $339.00 Was: Now: $269.29 Add to Cart
USA Standard Ring & Pinion Gear Set For GM 12 Bolt Truck in a 3.42 Ratio - ZG GM12T-342 MSRP: $317.00 Was: Now: $251.33 Add to Cart
USA Standard Ring & Pinion Gear Set For GM 12 Bolt Truck in a 4.11 Ratio - ZG GM12T-411 MSRP: $317.00 Was: Now: $251.33 Add to Cart