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 3.23 Ratio - ZG GM8.5-323 MSRP: $325.00 Was: Now: $276.88 Add to Cart
USA Standard Ring & Pinion Gear Set For GM 8.5in in a 4.56 Ratio - ZG GM8.5-456 MSRP: $260.00 Was: Now: $216.34 Add to Cart
USA Standard Ring & Pinion Gear Set For GM 8.5in in a 3.90 Ratio - ZG GM8.5-390 MSRP: $324.00 Was: Now: $312.92 Add to Cart