Yukon Gear & Axle Yukon Gear Dura Grip Limited Slip Differential for GM 12 Bolt 30 Spl 2.76-3.42 Ratio YDGGM12T-3-30-1
YUK Dura Grip
Differential
12T GM 30spl HD 2.76-3.42 DURAGRIP POSITRACTION, COMPOSITE CLUTCH
Also works with 3.73 & up thick gears. Yukon recommends the use of high grade Non-Synthetic GL-5 gear oil and Yukon LSD (Limited Slip Differential) additive for long life and smooth operation. Part number OILADD. The use of synthetic oil is not recommended and may result in aggressive or noisy operation.
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.
Also works with 3.73 & up thick gears.
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1969 - 1974 | Chevrolet | Blazer | Base |
| 1987 | Chevrolet | Blazer | Custom Deluxe, Silverado |
| 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 | Chevrolet | G10 | Bonaventure |
| 1975 - 1981 | Chevrolet | G10 | Chevy Van, Beauville, Sportvan |
| 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 | Silverado, Scottsdale |
| 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 |
| 1981 - 1986 | Chevrolet | K5 Blazer | Custom |
| 1975 - 1980 | Chevrolet | K5 Blazer | Custom Deluxe, Cheyenne |
| 1981 | Chevrolet | K5 Blazer | Deluxe |
| 1984 | Chevrolet | K5 Blazer | Scottsdale |
| 1978 - 1986 | Chevrolet | K5 Blazer | Silverado |
| 1987 | Chevrolet | R10 | Silverado, Custom Deluxe, Scottsdale |
| 1963 - 1966 | Chevrolet | Suburban | Base |
| 1987 | Chevrolet | V10 | Silverado, Scottsdale, Custom Deluxe |
| 1987 | Chevrolet | V10 Suburban | Custom Deluxe |
| 1987 - 1988 | Chevrolet | V10 Suburban | Scottsdale, Silverado |
| 1977 - 1978 | GMC | C15 | Heavy Half |
| 1977 | GMC | C15 | Indy Hauler |
| 1975 - 1978 | GMC | C15 | Sierra Classic, Sierra Grande, Base, High Sierra |
| 1978 | GMC | C15 | Street Coupe |
| 1975 - 1978 | GMC | C15 Suburban | Sierra Classic, Base, Sierra Grande, High Sierra |
| 1967 - 1974 | GMC | C15/C1500 Pickup | Base |
| 1967 - 1974 | GMC | C15/C1500 Suburban | Base |
| 1979 - 1986 | GMC | C1500 | Base, High Sierra, Sierra Classic |
| 1979 - 1980 | GMC | C1500 | Heavy Half |
| 1979 - 1982 | GMC | C1500 | Sierra Grande, Street Coupe |
| 1979 - 1986 | GMC | C1500 Suburban | High Sierra, Base, Sierra Classic |
| 1979 - 1982 | GMC | C1500 Suburban | Sierra Grande |
| 1975 - 1978 | GMC | G15 | Vandura, Rally, Rally STX |
| 1967 - 1971 | GMC | G15/G1500 Van | Base |
| 1968 - 1974 | GMC | G15/G1500 Van | Rally, Vandura |
| 1964 - 1966 | GMC | G1500 | Base |
| 1983 - 1984 | GMC | G1500 | Rally Custom |
| 1979 - 1987 | GMC | G1500 | Vandura, Rally STX, Rally |
| 1975 - 1978 | GMC | G25 | Rally, Vandura, Rally STX |
| 1967 - 1972 | GMC | G25/G2500 Van | Base |
| 1968 - 1974 | GMC | G25/G2500 Van | Rally, Vandura |
| 1979 - 1981 | GMC | G2500 | Vandura, Rally, Rally STX |
| 1977 | GMC | K15 | Indy Hauler |
| 1975 - 1978 | GMC | K15 | Sierra Grande, Base, Sierra Classic, High Sierra |
| 1975 - 1978 | GMC | K15 Suburban | Sierra Grande, High Sierra, Sierra Classic, Base |
| 1966 - 1974 | GMC | K15/K1500 Pickup | Base |
| 1967 - 1974 | GMC | K15/K1500 Suburban | Base |
| 1979 - 1986 | GMC | K1500 | High Sierra, Sierra Classic, Base |
| 1979 - 1982 | GMC | K1500 | Sierra Grande |
| 1979 - 1985 | GMC | K1500 Suburban | Sierra Classic, Base, High Sierra |
| 1979 - 1982 | GMC | K1500 Suburban | Sierra Grande |
| 1987 | GMC | R1500 | Base, Sierra Classic, High Sierra |
| 1987 | GMC | R1500 Suburban | Sierra Classic, High Sierra, Base |
| 1963 - 1966 | GMC | Suburban | Base |
| 1987 | GMC | V1500 | Sierra Classic, Base, High Sierra |
| 1987 | GMC | V1500 Suburban | Sierra Classic, Base, High Sierra |