USA standard Ring & Pinion gear set for 10.5" GM 14 bolt truck in a 4.56 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 |
|---|---|---|---|
| 1973-1974 | Chevrolet | C20 Pickup | N/A |
| 1973-1974 | Chevrolet | C30 Pickup | N/A |
| 1973-1974 | Chevrolet | K20 Pickup | N/A |
| 1972-1974 | Chevrolet | K30 Pickup | N/A |
| 2009-2015 | Chevrolet | Express 4500 | N/A |
| 1991-2000 | Chevrolet | C3500HD | 4 X 2 |
| 2001-2002 | Chevrolet | C3500HD | N/A |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 4WD |
| 2007 | Chevrolet | Silverado 2500 HD Classic | RWD |
| 2002-2006 | Chevrolet | Avalanche 2500 | N/A |
| 1975-1986 | Chevrolet | C20 | N/A |
| 1973-1986 | Chevrolet | C20 Suburban | N/A |
| 1988 , 1999-2000 | Chevrolet | C2500 | N/A |
| 1992-1999 | Chevrolet | C2500 Suburban | N/A |
| 1975-1986 | Chevrolet | C30 | N/A |
| 1988-2000 | Chevrolet | C3500 | N/A |
| 1996-2015 | Chevrolet | Express 2500 | N/A |
| 1975-1995 | Chevrolet | G20 | RWD |
| 1996-2015 | Chevrolet | Express 3500 | N/A |
| 1979-1996 | Chevrolet | G30 | RWD |
| 1975-1986 | Chevrolet | K20 | N/A |
| 1973-1986 | Chevrolet | K20 Suburban | N/A |
| 1988-2000 | Chevrolet | K2500 | N/A |
| 1992-1999 | Chevrolet | K2500 Suburban | N/A |
| 1977-1986 | Chevrolet | K30 | N/A |
| 1988-2000 | Chevrolet | K3500 | N/A |
| 1997-1999 | Chevrolet | P30 | N/A |
| 1987 | Chevrolet | R20 | N/A |
| 1987-1988 | Chevrolet | R20 Suburban | N/A |
| 1989-1991 | Chevrolet | R2500 Suburban | N/A |
| 1987 | Chevrolet | R30 | N/A |
| 1999-2004 | Chevrolet | Silverado 2500 | N/A |
| 2001-2015 | Chevrolet | Silverado 2500 HD | 4WD |
| 2001-2015 | Chevrolet | Silverado 2500 HD | RWD |
| 2000-2013 | Chevrolet | Suburban 2500 | 4WD |
| 2000-2013 | Chevrolet | Suburban 2500 | RWD |
| 1987 | Chevrolet | V20 | N/A |
| 1987-1988 | Chevrolet | V20 Suburban | N/A |
| 1989-1991 | Chevrolet | V2500 Suburban | N/A |
| 1987-1988 | Chevrolet | V30 | N/A |
| 2007-2013 | Chevrolet | Silverado 3500 HD | N/A |
| 1973-1974 | GMC | C25/C2500 Pickup | N/A |
| 1973-1974 | GMC | C25/C2500 Suburban | N/A |
| 1973-1974 | GMC | C35/C3500 Pickup | N/A |
| 1967-1974 | GMC | K25/K2500 Pickup | N/A |
| 1973-1974 | GMC | K25/K2500 Suburban | N/A |
| 2009-2015 | GMC | Savana 4500 | N/A |
| 2001-2002 | GMC | C3500HD | 4 X 2 |
| 2015 | GMC | Yukon XL | 4WD |
| 2007 | GMC | Sierra 2500 HD Classic | 4WD |
| 2007 | GMC | Sierra 2500 HD Classic | RWD |
| 1979-1986 , 1989-2000 | GMC | C2500 | N/A |
| 1979-1986 , 1992-1999 | GMC | C2500 Suburban | N/A |
| 1979-1986 , 1988-2000 | GMC | C3500 | N/A |
| 1979-1986 , 1988-2000 | GMC | K2500 | N/A |
| 1979-1986 , 1992-1999 | GMC | K2500 Suburban | N/A |
| 1979-1986 , 1988-2000 | GMC | K3500 | N/A |
| 1987 | GMC | R2500 | N/A |
| 1987-1991 | GMC | R2500 Suburban | N/A |
| 1987 | GMC | R3500 | N/A |
| 1987-1991 | GMC | V2500 Suburban | N/A |
| 1987 | GMC | V3500 | N/A |
| 1975-1978 | GMC | C25 | N/A |
| 1975-1978 | GMC | C25 Suburban | N/A |
| 1975-1978 | GMC | C35 | N/A |
| 1981-1987 | GMC | G1500 | N/A |
| 1996-2015 | GMC | Savana 2500 | N/A |
| 1979-1996 | GMC | G3500 | N/A |
| 1996-2015 | GMC | Savana 3500 | N/A |
| 1975-1978 | GMC | K25 | 4WD |
| 1975-1978 | GMC | K25 Suburban | 4WD |
| 1977-1978 | GMC | K35 | N/A |
| 1997-1999 | GMC | P3500 | RWD |
| 1999-2004 | GMC | Sierra 2500 | N/A |
| 2001-2015 | GMC | Sierra 2500 HD | N/A |
| 1987 | GMC | V2500 | N/A |
| 2000-2013 | GMC | Yukon XL 2500 | N/A |
Features
- Fits GM 10.5" GM 14 bolt truck
- 10.50" ring gear diameter
- 30 spline pinion
- 12 ring gear bolts
- 4.56 ratio
Quick Specs
- 16" L x 12" W x 6" H
- Part Number : ZG GM14T-456
USA Standard Ring & Pinion gear set for 10.5" GM 14 bolt truck in a 4.56 ratio
- SKU : FDHDZG GM14T-456
- Part Number : ZG GM14T-456
$399.89
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