Product Description Ring and Pinion - High Performance - 3.73 Ratio - 30 Spline Pinion - 3 Series - Thick Gear - 8.875 in - GM 12-Bolt - GM Truck - Kit
USA Standard Ring & Pinion Gear Set For GM 12 Bolt Truck in a 3.73 Ratio - ZG GM12T-373 MSRP: $339.00 Was: Now: $283.46 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: $264.56 Add to Cart