Description

B&M Shift Improver Kit - GM TH400 Transmissions The B&M® Shift Improver kits� feature two options to recalibrating your 1965-1987 GM TH400, TH375 and TH475 automatic transmissions. First is the HEAVY DUTY set-up, giving you firm positive shifts without loss of driver comfort for improved performance in all street vehicles. This is a great option for performance street driving or towing. The second is our STREET/STRIP set-up. Be warned, this will deliver firm positive shifts you will feel, along with easily chirping the tires when shifting somewhat aggressively. This setting is recommend for high performance street/strip use, or for competitive events when you want the hardest, quickest shifts possible from a shift improver kit. Fits 1965 to 1987 GM Turbo-Hydramatic 400, Turbo-Hydramatic 375 and 475 automatic transmissions

• Specifications

  • Warning:California Proposition 65
  • Instructions Included: Yes
  • Manual Control: No
  • Emission Code: 5
  • Gasket Included: Yes
  • Automotive Item Grade: High Performance
  • California Proposition 65 Required: Yes

• Product Fits

  • Buick Centurion 1973-1973
  • Buick Century 1973-1977
  • Buick Electra 1965-1979
  • Buick Estate Wagon 1970-1981
  • Buick Gran Sport 1965-1967
  • Buick GS 1970-1972
  • Buick LeSabre 1965-1979
  • Buick Regal 1973-1977
  • Buick Riviera 1965-1978
  • Buick Skyhawk 1978-1978
  • Buick Skylark 1965-1969
  • Buick Special 1965-1967
  • Buick Sportwagon 1966-1969
  • Buick Wildcat 1965-1969
  • Cadillac Brougham 1988-1989
  • Cadillac Calais 1965-1976
  • Cadillac Commercial Chassis 1965-1983
  • Cadillac DeVille 1965-1981
  • Cadillac Eldorado 1965-1966
  • Cadillac Fleetwood 1965-1984
  • Cadillac Seville 1976-1978
  • Chevrolet Bel Air 1965-1975
  • Chevrolet Biscayne 1965-1972
  • Chevrolet Blazer 1969-1990
  • Chevrolet Brookwood 1969-1972
  • Chevrolet C10 1975-1986
  • Chevrolet C10 Suburban 1967-1984
  • Chevrolet C1500 1988-1990
  • Chevrolet C20 1975-1986
  • Chevrolet C20 Suburban 1967-1986
  • Chevrolet C2500 1988-1990
  • Chevrolet C30 1975-1986
  • Chevrolet C3500 1988-1990
  • Chevrolet Camaro 1973-1973
  • Chevrolet Caprice 1966-1975
  • Chevrolet Chevelle 1965-1972
  • Chevrolet Chevy II 1966-1967
  • Chevrolet Corvette 1967-1977
  • Chevrolet El Camino 1965-1975
  • Chevrolet G10 1977-1990
  • Chevrolet G20 1975-1990
  • Chevrolet G20 Van 1970-1974
  • Chevrolet G30 1975-1990
  • Chevrolet Impala 1965-1975
  • Chevrolet K10 1977-1986
  • Chevrolet K10 Suburban 1969-1984
  • Chevrolet K1500 1988-1990
  • Chevrolet K20 1975-1986
  • Chevrolet K20 Suburban 1969-1986
  • Chevrolet K2500 1988-1990
  • Chevrolet K30 1977-1986
  • Chevrolet K3500 1988-1990
  • Chevrolet K5 Blazer 1977-1980
  • Chevrolet Kingswood 1969-1972
  • Chevrolet Laguna 1975-1975
  • Chevrolet Malibu 1973-1975
  • Chevrolet Monte Carlo 1970-1975
  • Chevrolet Nova 1969-1975
  • Chevrolet P10 Series 1965-1967
  • Chevrolet P20 1981-1982
  • Chevrolet P20 Series 1965-1966
  • Chevrolet P30 1981-1982
  • Chevrolet P30 Series 1965-1966
  • Chevrolet R10 1987-1987
  • Chevrolet R1500 Suburban 1990-1990
  • Chevrolet R20 1987-1988
  • Chevrolet R20 Suburban 1987-1988
  • Chevrolet R2500 1989-1989
  • Chevrolet R2500 Suburban 1989-1990
  • Chevrolet R30 1987-1988
  • Chevrolet R3500 1989-1990
  • Chevrolet Townsman 1969-1972
  • Chevrolet V10 1987-1987
  • Chevrolet V1500 Suburban 1990-1990
  • Chevrolet V20 1987-1987
  • Chevrolet V20 Suburban 1987-1988
  • Chevrolet V2500 Suburban 1989-1990
  • Chevrolet V30 1987-1988
  • Chevrolet V3500 1989-1990
  • GMC C15 1975-1978
  • GMC C15 Suburban 1975-1978
  • GMC C15/C1500 Pickup 1968-1974
  • GMC C15/C1500 Suburban 1968-1974
  • GMC C1500 1979-1990
  • GMC C1500 Suburban 1979-1984
  • GMC C25 1975-1978
  • GMC C25 Suburban 1975-1978
  • GMC C25/C2500 Pickup 1967-1974
  • GMC C25/C2500 Suburban 1968-1974
  • GMC C2500 1979-1990
  • GMC C2500 Suburban 1979-1986
  • GMC C35 1975-1978
  • GMC C35/C3500 Pickup 1968-1974
  • GMC C3500 1979-1990
  • GMC G15 1977-1978
  • GMC G1500 1979-1990
  • GMC G25 1975-1978
  • GMC G2500 1979-1990
  • GMC G35 1975-1978
  • GMC G35/G3500 Van 1970-1974
  • GMC G3500 1979-1990
  • GMC Jimmy 1970-1990
  • GMC K15 1977-1978
  • GMC K15 Suburban 1977-1978
  • GMC K15/K1500 Pickup 1966-1974
  • GMC K15/K1500 Suburban 1967-1974
  • GMC K1500 1979-1990
  • GMC K1500 Suburban 1979-1984
  • GMC K25 1975-1978
  • GMC K25 Suburban 1975-1978
  • GMC K25/K2500 Pickup 1967-1974
  • GMC K25/K2500 Suburban 1968-1974
  • GMC K2500 1979-1990
  • GMC K2500 Suburban 1979-1986
  • GMC K35 1977-1978
  • GMC K35/K3500 Pickup 1970-1974
  • GMC K3500 1979-1990
  • GMC P15 1976-1978
  • GMC P1500 1979-1979
  • GMC P25 1975-1978
  • GMC P35 1975-1978
  • GMC R1500 1987-1987
  • GMC R1500 Suburban 1990-1990
  • GMC R2500 1987-1989
  • GMC R2500 Suburban 1987-1990
  • GMC R3500 1987-1990
  • GMC Sprint 1971-1975
  • GMC V1500 1987-1987
  • GMC V1500 Suburban 1990-1990
  • GMC V2500 1987-1987
  • GMC V2500 Suburban 1987-1990
  • GMC V3500 1987-1990
  • Oldsmobile 442 1965-1971
  • Oldsmobile 98 1965-1979
  • Oldsmobile Custom Cruiser 1971-1979
  • Oldsmobile Cutlass 1968-1975
  • Oldsmobile Cutlass Salon 1975-1975
  • Oldsmobile Cutlass Supreme 1975-1975
  • Oldsmobile Delmont 88 1967-1968
  • Oldsmobile Delta 88 1968-1979
  • Oldsmobile F85 1965-1972
  • Oldsmobile Starfire 1965-1966
  • Oldsmobile Toronado 1978-1978
  • Oldsmobile Vista Cruiser 1968-1975
  • Pontiac Bonneville 1965-1977
  • Pontiac Catalina 1965-1977
  • Pontiac Executive 1967-1970
  • Pontiac Firebird 1969-1976
  • Pontiac Grand Am 1973-1975
  • Pontiac Grand LeMans 1975-1977
  • Pontiac Grand Prix 1965-1977
  • Pontiac Grand Safari 1975-1976
  • Pontiac Grandville 1971-1975
  • Pontiac GTO 1966-1973
  • Pontiac LeMans 1965-1977
  • Pontiac Star Chief 1965-1966
  • Pontiac Tempest 1965-1970

• Documents and Manuals

  • 1101_BOM20260.pdf