USA standard Ring & Pinion gear set for GM 12 bolt car in a 3.42 ratio
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.

Fitment
| Year | Make | Model | Driveline |
|---|---|---|---|
| 1964-1970 | Buick | Wildcat | N/A |
| 1964-1972 | Chevrolet | Biscayne | N/A |
| 1964-1968 | Chevrolet | Chevy II | N/A |
| 1964-1972 | Chevrolet | Chevelle | N/A |
| 1964-1972 | Chevrolet | Bel Air | N/A |
| 1967-1972 | Chevrolet | Camaro | N/A |
| 1966-1970 | Chevrolet | Caprice | N/A |
| 1965-1972 | Chevrolet | El Camino | N/A |
| 1964-1972 | Chevrolet | Impala | N/A |
| 1970-1972 | Chevrolet | Monte Carlo | N/A |
| 1969-1972 | Chevrolet | Nova | N/A |
| 1970-1972 | Pontiac | GTO | N/A |
| 1969-1972 | Pontiac | Firebird | N/A |
Features
- Fits GM 12 bolt passenger car
- 8.875" ring gear diameter
- 30 spline pinion
- 12 ring gear bolts
- 3.42 ratio
Quick Specs
- 16" L x 12" W x 6" H
- Part Number : ZG GM12P-342
USA Standard Ring & Pinion gear set for GM 12 bolt car in a 3.42 ratio
- SKU : FDHDZG GM12P-342
- Part Number : ZG GM12P-342
$313.89
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