Yukon Gear Dura Grip Positraction For GM 12 Bolt Car w/ 30 Spline Axles / 3.73+ YDGGM12T-4-30-1
Yukon Gear & Axle Differentials YDGGM12T-4-30-1 The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects. Yukon Dura Grip Differential Fits GM 12 bolt truck, 3.73 and up ratios, 30 spline. Dura Grip positractions feature a 4-spring design and composite clutches for long life and forged internals for high strength. Diffrl
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1969 - 1974 | Chevrolet | Blazer | Base |
| 1987 | Chevrolet | Blazer | Custom Deluxe, Silverado |
| 1972 | Chevrolet | Brookwood | Base |
| 1978 - 1980 | Chevrolet | C10 | Big Ten |
| 1975 - 1981 | Chevrolet | C10 | Cheyenne |
| 1975 - 1980 | Chevrolet | C10 | Custom Deluxe |
| 1981 | Chevrolet | C10 | Deluxe |
| 1975 - 1986 | Chevrolet | C10 | Silverado, Custom, Scottsdale |
| 1963 - 1974 | Chevrolet | C10 Pickup | Base |
| 1981 - 1982 | Chevrolet | G10 | Bonaventure |
| 1975 - 1982 | Chevrolet | G10 | Sportvan, Chevy Van, Beauville |
| 1967 - 1974 | Chevrolet | G10 Van | Base |
| 1968 - 1974 | Chevrolet | G10 Van | Sportvan |
| 1975 - 1981 | Chevrolet | K10 | Cheyenne |
| 1981 - 1986 | Chevrolet | K10 | Custom |
| 1975 - 1980 | Chevrolet | K10 | Custom Deluxe |
| 1981 | Chevrolet | K10 | Deluxe |
| 1975 - 1986 | Chevrolet | K10 | Scottsdale, Silverado |
| 1963 - 1974 | Chevrolet | K10 Pickup | Base |
| 1967 - 1974 | Chevrolet | K10 Suburban | Base |
| 1981 - 1986 | Chevrolet | K10 Suburban | Custom |
| 1975 - 1980 | Chevrolet | K10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K10 Suburban | Deluxe |
| 1975 - 1986 | Chevrolet | K10 Suburban | Silverado, Scottsdale |
| 1976 | Chevrolet | K5 Blazer | Base |
| 1975 - 1980 | Chevrolet | K5 Blazer | Cheyenne, Custom Deluxe |
| 1981 - 1986 | Chevrolet | K5 Blazer | Custom |
| 1981 | Chevrolet | K5 Blazer | Deluxe |
| 1984 | Chevrolet | K5 Blazer | Scottsdale |
| 1978 - 1986 | Chevrolet | K5 Blazer | Silverado |
| 1987 | Chevrolet | R10 | Silverado, Scottsdale, Custom Deluxe |
| 1963 - 1966 | Chevrolet | Suburban | Base |
| 1987 | Chevrolet | V10 | Custom Deluxe, Scottsdale, Silverado |
| 1987 | Chevrolet | V10 Suburban | Custom Deluxe |
| 1987 - 1988 | Chevrolet | V10 Suburban | Silverado, Scottsdale |
| 1977 - 1978 | GMC | C15 | Heavy Half |
| 1975 - 1978 | GMC | C15 | High Sierra, Sierra Grande, Sierra Classic, Base |
| 1977 | GMC | C15 | Indy Hauler |
| 1978 | GMC | C15 | Street Coupe |
| 1975 - 1978 | GMC | C15 Suburban | High Sierra, Sierra Classic, Sierra Grande, Base |
| 1967 - 1974 | GMC | C15/C1500 Pickup | Base |
| 1967 - 1974 | GMC | C15/C1500 Suburban | Base |
| 1979 - 1980 | GMC | C1500 | Heavy Half |
| 1979 - 1986 | GMC | C1500 | Sierra Classic, High Sierra, Base |
| 1979 - 1982 | GMC | C1500 | Sierra Grande, Street Coupe |
| 1979 - 1986 | GMC | C1500 Suburban | Base, Sierra Classic, High Sierra |
| 1979 - 1982 | GMC | C1500 Suburban | Sierra Grande |
| 1975 - 1978 | GMC | G15 | Rally STX, Rally, Vandura |
| 1967 - 1971 | GMC | G15/G1500 Van | Base |
| 1968 - 1974 | GMC | G15/G1500 Van | Vandura, Rally |
| 1964 - 1966 | GMC | G1500 | Base |
| 1983 - 1984 | GMC | G1500 | Rally Custom |
| 1979 - 1987 | GMC | G1500 | Rally, Rally STX, Vandura |
| 1975 - 1978 | GMC | G25 | Rally STX, Rally, Vandura |
| 1967 - 1972 | GMC | G25/G2500 Van | Base |
| 1968 - 1974 | GMC | G25/G2500 Van | Rally, Vandura |
| 1979 - 1981 | GMC | G2500 | Rally, Rally STX, Vandura |
| 1977 | GMC | K15 | Indy Hauler |
| 1975 - 1978 | GMC | K15 | Sierra Classic, Sierra Grande, High Sierra, Base |
| 1975 - 1978 | GMC | K15 Suburban | Sierra Grande, Base, Sierra Classic, High Sierra |
| 1966 - 1974 | GMC | K15/K1500 Pickup | Base |
| 1967 - 1974 | GMC | K15/K1500 Suburban | Base |
| 1979 - 1986 | GMC | K1500 | Sierra Classic, Base, High Sierra |
| 1979 - 1982 | GMC | K1500 | Sierra Grande |
| 1979 - 1985 | GMC | K1500 Suburban | High Sierra, Sierra Classic, Base |
| 1979 - 1982 | GMC | K1500 Suburban | Sierra Grande |
| 1973 | GMC | P25/P2500 Van | Base |
| 1987 | GMC | R1500 | Base, High Sierra, Sierra Classic |
| 1987 | GMC | R1500 Suburban | Sierra Classic, Base, High Sierra |
| 1963 - 1966 | GMC | Suburban | Base |
| 1987 | GMC | V1500 | Sierra Classic, Base, High Sierra |
| 1987 | GMC | V1500 Suburban | Base, High Sierra, Sierra Classic |