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Description
Corrects/Prevents/Reduces: Falls out of high when hot. 3rd clutch failure, soft, late shifts, cross leaks.
Shift Kit
Specifications
Transmissions
| Name | Years |
|---|---|
| THM350 | 1967 - 1985 |
| THM250C/M31 | 1984 - 1985 |
| THM350C | 1968 - 1988 |
Vehicle Fitment
| Years | Vehicle | Drive Types |
|---|---|---|
| 1971 - 1985 | Avanti II | RWD |
| 1968 - 1972 | Buick Sportwagon | |
| 1969 - 1969 | Buick Special | |
| 1969 - 1979 | Buick Skylark | RWD |
| 1975 - 1980 | Buick Skyhawk | RWD |
| 1975 - 1978 | Buick Riviera | RWD |
| 1973 - 1985 | Buick Regal | RWD |
| 1970 - 1985 | Buick LeSabre | RWD |
| 1970 - 1972 | Buick GS | |
| 1975 - 1983 | Buick Estate Wagon | RWD |
| 1975 - 1985 | Buick Electra | RWD |
| 1973 - 1981 | Buick Century | RWD |
| 1971 - 1973 | Buick Centurion | |
| 1973 - 1975 | Buick Apollo | RWD |
| 1980 - 1982 | Cadillac Fleetwood | RWD |
| 1980 - 1982 | Cadillac DeVille | RWD |
| 1971 - 1977 | Chevrolet Vega | RWD |
| 1969 - 1972 | Chevrolet Townsman | |
| 1975 - 1981 | Chevrolet P30 | RWD |
| 1975 - 1981 | Chevrolet P20 | RWD |
| 1975 - 1980 | Chevrolet P10 | RWD |
| 1970 - 1978 | Chevrolet Nova | RWD |
| 1975 - 1980 | Chevrolet Monza | RWD |
| 1970 - 1984 | Chevrolet Monte Carlo | RWD |
| 1973 - 1983 | Chevrolet Malibu | RWD |
| 1975 - 1976 | Chevrolet Laguna | RWD |
| 1969 - 1972 | Chevrolet Kingswood | |
| 1975 - 1986 | Chevrolet K5 Blazer | RWD, 4WD |
| 1977 - 1986 | Chevrolet K30 | 4WD |
| 1969 - 1986 | Chevrolet K20 Suburban | 4WD |
| 1975 - 1986 | Chevrolet K20 | 4WD |
| 1969 - 1982 | Chevrolet K10 Suburban | 4WD |
| 1975 - 1986 | Chevrolet K10 | 4WD |
| 1969 - 1984 | Chevrolet Impala | RWD |
| 1975 - 1986 | Chevrolet G30 | RWD |
| 1969 - 1974 | Chevrolet G20 Van | |
| 1975 - 1986 | Chevrolet G20 | RWD |
| 1975 - 1986 | Chevrolet G10 | RWD |
| 1969 - 1984 | Chevrolet El Camino | RWD |
| 1975 - 1981 | Chevrolet Corvette | RWD |
| 1970 - 1972 | Chevrolet Chevelle | RWD |
| 1970 - 1984 | Chevrolet Caprice | RWD |
| 1967 - 1981 | Chevrolet Camaro | RWD |
| 1975 - 1986 | Chevrolet C30 | RWD |
| 1969 - 1986 | Chevrolet C20 Suburban | RWD |
| 1975 - 1986 | Chevrolet C20 | RWD |
| 1969 - 1984 | Chevrolet C10 Suburban | RWD |
| 1975 - 1986 | Chevrolet C10 | RWD |
| 1972 - 1972 | Chevrolet Brookwood | |
| 1969 - 1974 | Chevrolet Blazer | RWD, 4WD |
| 1970 - 1972 | Chevrolet Biscayne | |
| 1970 - 1975 | Chevrolet Bel Air | RWD |
| 1971 - 1977 | GMC Sprint | RWD |
| 1979 - 1981 | GMC P3500 | RWD |
| 1975 - 1978 | GMC P35 | RWD |
| 1979 - 1981 | GMC P2500 | RWD |
| 1975 - 1978 | GMC P25 | RWD |
| 1979 - 1980 | GMC P1500 | RWD |
| 1975 - 1978 | GMC P15 | RWD |
| 1979 - 1986 | GMC K3500 | 4WD |
| 1970 - 1974 | GMC K35/K3500 Pickup | |
| 1977 - 1978 | GMC K35 | 4WD |
| 1979 - 1986 | GMC K2500 Suburban | 4WD |
| 1979 - 1986 | GMC K2500 | 4WD |
| 1969 - 1973 | GMC K25/K2500 Suburban | |
| 1969 - 1974 | GMC K25/K2500 Pickup | |
| 1975 - 1978 | GMC K25 Suburban | 4WD |
| 1975 - 1978 | GMC K25 | 4WD |
| 1979 - 1982 | GMC K1500 Suburban | 4WD |
| 1979 - 1986 | GMC K1500 | 4WD |
| 1969 - 1974 | GMC K15/K1500 Suburban | |
| 1969 - 1974 | GMC K15/K1500 Pickup | |
| 1975 - 1978 | GMC K15 Suburban | 4WD |
| 1975 - 1978 | GMC K15 | 4WD |
| 1970 - 1986 | GMC Jimmy | RWD, 4WD |
| 1979 - 1988 | GMC G3500 | RWD |
| 1970 - 1974 | GMC G35/G3500 Van | |
| 1975 - 1978 | GMC G35 | RWD |
| 1979 - 1986 | GMC G2500 | RWD |
| 1975 - 1978 | GMC G25 | RWD |
| 1979 - 1986 | GMC G1500 | RWD |
| 1975 - 1978 | GMC G15 | RWD |
| 1978 - 1984 | GMC Caballero | RWD |
| 1979 - 1986 | GMC C3500 | RWD |
| 1969 - 1974 | GMC C35/C3500 Pickup | |
| 1975 - 1978 | GMC C35 | RWD |
| 1979 - 1986 | GMC C2500 Suburban | RWD |
| 1979 - 1986 | GMC C2500 | RWD |
| 1970 - 1974 | GMC C25/C2500 Suburban | |
| 1969 - 1974 | GMC C25/C2500 Pickup | |
| 1975 - 1978 | GMC C25 Suburban | RWD |
| 1975 - 1978 | GMC C25 | RWD |
| 1979 - 1984 | GMC C1500 Suburban | RWD |
| 1979 - 1986 | GMC C1500 | RWD |
| 1970 - 1974 | GMC C15/C1500 Suburban | |
| 1969 - 1974 | GMC C15/C1500 Pickup | |
| 1975 - 1978 | GMC C15 Suburban | RWD |
| 1975 - 1978 | GMC C15 | RWD |
| 1970 - 1975 | Oldsmobile Vista Cruiser | RWD |
| 1982 - 1984 | Oldsmobile Toronado | FWD |
| 1975 - 1980 | Oldsmobile Starfire | RWD |
| 1973 - 1979 | Oldsmobile Omega | RWD |
| 1968 - 1972 | Oldsmobile F85 | |
| 1972 - 1985 | Oldsmobile Delta 88 | RWD |
| 1976 - 1976 | Oldsmobile Cutlass Tiara | RWD |
| 1975 - 1985 | Oldsmobile Cutlass Supreme | RWD |
| 1975 - 1985 | Oldsmobile Cutlass Salon | RWD |
| 1980 - 1983 | Oldsmobile Cutlass Cruiser | RWD |
| 1978 - 1984 | Oldsmobile Cutlass Calais | RWD |
| 1968 - 1981 | Oldsmobile Cutlass | RWD |
| 1975 - 1985 | Oldsmobile Custom Cruiser | RWD |
| 1972 - 1984 | Oldsmobile 98 | RWD |
| 1968 - 1969 | Oldsmobile 442 | RWD |
| 1971 - 1977 | Pontiac Ventura | RWD |
| 1968 - 1970 | Pontiac Tempest | RWD |
| 1976 - 1980 | Pontiac Sunbird | RWD |
| 1977 - 1979 | Pontiac Phoenix | RWD |
| 1983 - 1984 | Pontiac Parisienne | RWD |
| 1968 - 1981 | Pontiac LeMans | RWD |
| 1975 - 1978 | Pontiac Grand Safari | RWD |
| 1975 - 1984 | Pontiac Grand Prix | RWD |
| 1975 - 1981 | Pontiac Grand LeMans | RWD |
| 1973 - 1980 | Pontiac Grand Am | RWD |
| 1967 - 1981 | Pontiac Firebird | RWD |
| 1972 - 1981 | Pontiac Catalina | RWD |
| 1976 - 1984 | Pontiac Bonneville | RWD |
| 1975 - 1977 | Pontiac Astre | RWD |