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 "thick" gear set for GM 12 bolt truck in a 4.56 ratio
USA Standard Ring & Pinion Thick Gear Set For GM 12 Bolt Truck in a 4.56 Ratio
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12T GM 4.56 THICK R&P (fits_2.76_to_3.42_CSE) ** USA STANDARD GEAR **
Differential Ring and Pinion
Ring & Pinion Set
ZG GM12T-456T