Yukon Gear & Axle Yukon Gear Positraction internals For GM 12 Bolt Car and Truck w/ 30 Spline Axles YPKGM12-P-30
YUK Positraction Internals
Spider Gear
12P & 12T 30spl (0.806"dia) EATON & DURAGRIP POSI SPIDER SET (NO Clutches Incl!)
This kit ONLY fits the current, Eaton style Posi with the springs and plates between both side gears. There is an early GM version Posi that used long, skinny springs, and spring plates under the side gears, between the side gear and clutches...this version is obsolete, with no parts available. DOES NOT FIT FACTORY LIMITED SLIP.
Yukon Gear & Axle spider gear kits utilize the highest quality materials and best production techniques in the industry to ensure a longer lasting spider gear set. This kit fits Yukon Dura Grip & Eaton limited slip differential positraction units and delivers everything needed for a complete and proper spider gear set replacement.
Fits GM 12 bolt car and truck Dura Grip positraction, 30 spline.Yukon spider gear sets and clutch kits are manufactured to meet or exceed OE spefications for years of long life.
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1964 - 1969 | Buick | Wildcat | Base |
| 1965 - 1970 | Buick | Wildcat | Custom |
| 1965 | Buick | Wildcat | Deluxe |
| 1966 | Buick | Wildcat | Gran Sport |
| 1964 - 1972 | Chevrolet | Bel Air | Base |
| 1964 - 1972 | Chevrolet | Biscayne | Base |
| 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 |
| 1975 - 1986 | Chevrolet | C10 | Custom, Silverado, Scottsdale |
| 1981 | Chevrolet | C10 | Deluxe |
| 1963 - 1974 | Chevrolet | C10 Pickup | Base |
| 1967 - 1972 | Chevrolet | Camaro | Z28, SS, RS, Base |
| 1966 - 1970 | Chevrolet | Caprice | Base |
| 1967 - 1968 | Chevrolet | Chevelle | 300 |
| 1967 - 1969 | Chevrolet | Chevelle | 300 Deluxe |
| 1967 - 1972 | Chevrolet | Chevelle | Concours |
| 1965 - 1973 | Chevrolet | Chevelle | Deluxe |
| 1969 - 1972 | Chevrolet | Chevelle | Greenbrier, Concours Estate |
| 1968 - 1972 | Chevrolet | Chevelle | Nomad, Malibu |
| 1964 - 1972 | Chevrolet | Chevelle | SS, Base |
| 1964 - 1967 | Chevrolet | Chevy II | Base, Nova SS |
| 1964 - 1968 | Chevrolet | Chevy II | Nova |
| 1965 - 1972 | Chevrolet | El Camino | Base |
| 1968 - 1972 | Chevrolet | El Camino | SS, Custom |
| 1981 | Chevrolet | G10 | Bonaventure |
| 1975 - 1981 | Chevrolet | G10 | Chevy Van, Beauville, Sportvan |
| 1967 - 1974 | Chevrolet | G10 Van | Base |
| 1968 - 1974 | Chevrolet | G10 Van | Sportvan |
| 1964 - 1972 | Chevrolet | Impala | Base |
| 1964 - 1967 | Chevrolet | Impala | SS |
| 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 |
| 1970 - 1972 | Chevrolet | Monte Carlo | Base |
| 1969 - 1972 | Chevrolet | Nova | Base |
| 1987 | Chevrolet | R10 | Scottsdale, Silverado, Custom Deluxe |
| 1963 - 1966 | Chevrolet | Suburban | Base |
| 1987 | Chevrolet | V10 | Scottsdale, Custom Deluxe, Silverado |
| 1987 | Chevrolet | V10 Suburban | Silverado, Scottsdale, Custom Deluxe |
| 1977 - 1978 | GMC | C15 | Heavy Half |
| 1977 | GMC | C15 | Indy Hauler |
| 1975 - 1978 | GMC | C15 | Sierra Classic, High Sierra, Base, Sierra Grande |
| 1978 | GMC | C15 | Street Coupe |
| 1975 - 1978 | GMC | C15 Suburban | High Sierra, Sierra Grande, Sierra Classic, 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, Base, High Sierra |
| 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, Vandura, Rally STX |
| 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 | Vandura, Rally STX, Rally |
| 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 | Vandura, Rally STX, Rally |
| 1975 - 1978 | GMC | K15 | High Sierra, Sierra Classic, Base, Sierra Grande |
| 1977 | GMC | K15 | Indy Hauler |
| 1975 - 1978 | GMC | K15 Suburban | Sierra Grande, Sierra Classic, Base, High Sierra |
| 1966 - 1974 | GMC | K15/K1500 Pickup | Base |
| 1967 - 1974 | GMC | K15/K1500 Suburban | Base |
| 1979 - 1986 | GMC | K1500 | Base, Sierra Classic, High Sierra |
| 1979 - 1982 | GMC | K1500 | Sierra Grande |
| 1979 - 1985 | GMC | K1500 Suburban | High Sierra, Base, Sierra Classic |
| 1979 - 1982 | GMC | K1500 Suburban | Sierra Grande |
| 1987 | GMC | R1500 | High Sierra, Sierra Classic, Base |
| 1987 | GMC | R1500 Suburban | High Sierra, Sierra Classic, Base |
| 1963 - 1966 | GMC | Suburban | Base |
| 1987 | GMC | V1500 | High Sierra, Sierra Classic, Base |
| 1987 | GMC | V1500 Suburban | Base, Sierra Classic, High Sierra |
| 1969 | Pontiac | Firebird | 350, 400, 350 HO, Sprint |
| 1970 - 1972 | Pontiac | Firebird | Formula, Esprit |
| 1969 - 1972 | Pontiac | Firebird | Trans Am, Base |
| 1970 - 1972 | Pontiac | GTO | Base |
| 1970 - 1971 | Pontiac | GTO | The Judge |