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 inthinin Gear Set For GM 12 Bolt Car in a 3.73 Ratio
USA standard Ring & Pinion "thin" gear set for GM 12 bolt car in a 3.73 ratio
12P GM 3.73 THIN R&P (fits_4.10_&_UP_CSE_ONLY) ** USA STANDARD GEAR **
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Differential Ring and Pinion
Ring & Pinion Set
ZG GM12P-373-4
