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 8.5in in a 4.56 Ratio - ZG GM8.5-456 MSRP: $236.00 Was: Now: $212.91 Add to Cart
USA Standard Ring & Pinion Gear Set For GM 8.5in in a 5.13 Ratio - ZG GM8.5-513 MSRP: $244.00 Was: Now: $221.26 Add to Cart
USA Standard Ring & Pinion Gear Set For GM 8.5in in a 3.90 Ratio - ZG GM8.5-390 MSRP: Was: Now: $307.54 Add to Cart