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USA Standard Gear USA standard Ring & Pinion gear set for GM 12 bolt car in a 3.90 ratio ZG GM12P-390
$329.99
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.
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|
Specifications:
| Description_SHO | Ring & Pinion Set |
| Description_INV | ZG GM12P-390 |
| Description_KEY | ,**,12P,3.91,fits_3.90_&_DWN_CSE,GEAR,GM,R&P,STANDARD,ZG, |
| Description_DES | USA standard Ring & Pinion gear set for GM 12 bolt car in a 3.90 ratio |
| Description_ASM | 12P GM 3.91 R&P (fits_3.90_&_DWN_CSE) ** USA STANDARD GEAR ** |
| Description_EXT | 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. |
| Description_FAB | Fits GM 12 bolt passenger car |
| Description_FAB | 8.875" ring gear diameter |
| Description_FAB | 30 spline pinion |
| Description_FAB | 12 ring gear bolts |
| Description_FAB | 3.90 ratio |
| Description_TLE | USA Standard Ring & Pinion gear set for GM 12 bolt car in a 3.90 ratio |
| Description_DEF | Differential Ring and Pinion |