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B&M 20234 - B&M Adjustable Vacuum Modulator



B&M 20234 - B&M Adjustable Vacuum Modulator

Part Number: 130-20234

Adjustable Vacuum Modulator
  • GM TH350 & TH400
  • $29.26
    Ships
    Made In USA

    Specifications:

    Modulator Valve Finish
    Gold iridited
    Modulator Valve Material
    Steel
    Quantity
    Sold individually
    Manufacturer's Part Number:
    20234

    Adjust Vacuum and Shift Points

    B&M Adjustable Vacuum Modulators let you adjust your shift points within a 2-4 mph range. With a gold iridited finish and an O-ring seal to stop leaks, they will look as good as they work. Comes supplied with pre-adjusted, normal shift points.

    Features:
  • Fully Adjustable
  • Allows You To Tailor Shift Points
  • Comes Supplied With Pre-Adjusted Shift Points
  • Note: If your engine does not make adequate vacuum you will not be able to make the stock or B&M modulator work properly; usually resulting in late, hard shifts.

    Does this fit your vehicle?

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    1976 PONTIAC VENTURA

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 4.1
    • SubModel: SJ
    • CUI: 250
    • EngineType: L6

    1976-1980 PONTIAC SUNBIRD

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: ALL
    • EngineType: ALL

    1975 CHEVROLET BEL AIR

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1973 CHEVROLET CAMARO

    • CC: 5737
    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.7
    • Aspiration: N
    • SubModel: RS
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8

    1990 CHEVROLET C1500 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: CHEYENNE
    • EngineType: ALL

    1974 GMC G35/G3500 VAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1981 BUICK REGAL

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.7
    • SubModel: LIMITED
    • EngineType: V8

    1970-1971 CHEVROLET C30 PICKUP

    • CC: 6588
    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1971-1974 PONTIAC BONNEVILLE

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 7.5
    • SubModel: BASE
    • EngineType: V8

    1969 GMC C15/C1500 SUBURBAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: BASE
    • EngineType: V8

    1985 CHEVROLET K20 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: SILVERADO
    • EngineType: ALL

    1980 CHEVROLET G30 VAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: ALL
    • EngineType: ALL

    1981 PONTIAC FIREBIRD

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 4.3
    • SubModel: FORMULA
    • EngineType: V8

    1969 CHEVROLET C20 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1979 CHEVROLET C20 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.7
    • SubModel: SILVERADO
    • EngineType: V8

    1976 PONTIAC CATALINA

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: CATALINA (CANADIAN)
    • EngineType: ALL

    1975 OLDSMOBILE DELTA 88

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1968 GMC K25/K2500 PICKUP

    • CC: 5358
    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 7.4
    • Aspiration: N
    • SubModel: CHEYENNE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8

    1969 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1977 PONTIAC LEMANS

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 6.6
    • SubModel: SPORT
    • CUI: 403
    • EngineType: V8

    1981 CHEVROLET C10 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.0
    • SubModel: DELUXE
    • EngineType: V8

    1975 OLDSMOBILE OMEGA

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.7
    • SubModel: SALON
    • CUI: 350
    • EngineType: V8

    1975 CHEVROLET EL CAMINO

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: ALL
    • EngineType: ALL

    1980-1981 GMC C2500 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: ALL
    • EngineType: ALL

    1974 GMC SPRINT

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1975 OLDSMOBILE VISTA CRUISER

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: ALL
    • EngineType: ALL

    1973-1974 CHEVROLET CAPRICE

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 6.6
    • SubModel: ESTATE
    • EngineType: V8

    1967 PONTIAC FIREBIRD

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: HO
    • EngineType: ALL

    1979 GMC C3500 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • EngineType: V8

    1979 GMC JIMMY

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: SIERRA CLASSIC
    • EngineType: L6

    1979 GMC G35/G3500 VAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: VANDURA SPECIAL
    • EngineType: L6

    1977 OLDSMOBILE CUTLASS

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.7
    • SubModel: 442
    • CUI: 350
    • EngineType: V8

    1989-1990 GMC C2500 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: SIERRA
    • EngineType: ALL

    1971-1973 GMC SPRINT

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.0
    • SubModel: BASE
    • EngineType: V8

    1981 BUICK ELECTRA

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: PARK AVENUE
    • EngineType: V6

    1976 OLDSMOBILE OMEGA

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 4.1
    • SubModel: BROUGHAM
    • CUI: 250
    • EngineType: L6

    1976 CHEVROLET MALIBU

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 4.1
    • SubModel: CLASSIC
    • CUI: 250
    • EngineType: L6

    1972 GMC K35/K3500 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: BASE
    • EngineType: L6

    1974 CHEVROLET C10 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1968 OLDSMOBILE 442

    • CC: 5737
    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1981 BUICK ELECTRA

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: LIMITED
    • EngineType: ALL

    1979 GMC C1500 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: BASE
    • EngineType: ALL

    1982-1986 GMC C3500 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: ALL
    • EngineType: ALL

    1966 CHEVROLET SUBURBAN

    • CC: 5358
    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8

    1974 CHEVROLET CAMARO

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1966 CHEVROLET C30 PICKUP

    • CC: 5358
    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8

    1990 CHEVROLET C1500 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: 454 SS
    • EngineType: ALL

    1981 GMC C1500 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: SIERRA GRANDE
    • EngineType: ALL

    1973 CHEVROLET EL CAMINO

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 7.4
    • SubModel: CUSTOM
    • EngineType: V8

    1975 CHEVROLET G20 VAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: ALL
    • EngineType: ALL

    1980 CHEVROLET MALIBU

    • CC: 3800
    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 3.8
    • SubModel: CLASSIC
    • CUI: 231
    • EngineType: V6

    1979 PONTIAC BONNEVILLE

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • EngineType: ALL
    • SubModel: ALL

    1976 PONTIAC GRAND PRIX

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 7.5
    • SubModel: SJ
    • EngineType: V8

    1971 CHEVROLET G30 VAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1981 BUICK ELECTRA

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.0
    • SubModel: PARK AVENUE
    • EngineType: V8

    1972 CHEVROLET G30 VAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: ALL
    • EngineType: ALL

    1974 CHEVROLET IMPALA

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: BASE
    • EngineType: V8

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.7
    • SubModel: SILVERADO
    • EngineType: V8

    1969 CHEVROLET C10 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1969 CHEVROLET K20 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1980 CHEVROLET K10 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 7.4
    • Aspiration: N
    • SubModel: SCOTTSDALE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8

    1982 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: SILVERADO
    • EngineType: ALL

    1976 CHEVROLET IMPALA

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: BASE
    • EngineType: ALL

    1988-1990 CHEVROLET C2500 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: CHEYENNE
    • EngineType: ALL

    1977 PONTIAC VENTURA

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8

    1968-1969 OLDSMOBILE DELTA 88

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8

    1968-1969 OLDSMOBILE CUTLASS

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: BASE
    • EngineType: L6

    1977 OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 4.3
    • SubModel: BROUGHAM
    • CUI: 260
    • EngineType: V8

    1975 CHEVROLET CAMARO

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1970-1971 CHEVROLET C20 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1980 CHEVROLET K30 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 6.6
    • Aspiration: N
    • SubModel: CHEYENNE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8

    1989-1990 GMC C3500 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: SIERRA SLE
    • EngineType: ALL

    1972 CHEVROLET NOVA

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: BASE
    • EngineType: L6

    1979 GMC K2500 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: SIERRA GRANDE
    • EngineType: L6

    1974 CADILLAC DEVILLE

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: ALL
    • EngineType: ALL

    1979 PONTIAC CATALINA

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • EngineType: V6
    • SubModel: BASE

    1975 CHEVROLET NOVA

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: POLICE
    • EngineType: ALL

    1981 CHEVROLET K10 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: SCOTTSDALE
    • EngineType: ALL

    1981 PONTIAC FIREBIRD

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.0
    • SubModel: TRANS AM
    • EngineType: V8

    1980 OLDSMOBILE CUTLASS CRUISER

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: ALL
    • EngineType: ALL

    1974 CHEVROLET G10 VAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: SPORTVAN
    • EngineType: L6

    1982-1986 GMC K1500 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: ALL
    • EngineType: ALL

    1990 CHEVROLET G20 VAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: BEAUVILLE
    • EngineType: ALL

    1975 OLDSMOBILE 98

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • EngineType: ALL
    • SubModel: LUXURY

    1977 PONTIAC LEMANS

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.7
    • SubModel: SAFARI
    • CUI: 350
    • EngineType: V8

    1979 GMC C2500 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: SIERRA GRANDE
    • EngineType: L6

    1969 CHEVROLET K30 PICKUP

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1979 CHEVROLET G20 VAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.0
    • SubModel: CHEVY VAN
    • EngineType: V8

    1979-1980 CHEVROLET MALIBU

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: CLASSIC ESTATE
    • EngineType: ALL

    1977-1978 GMC K15 SUBURBAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: ALL
    • EngineType: ALL

    1971 CHEVROLET MONTE CARLO

    • CC: 6588
    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1970-1971 CHEVROLET C10 PICKUP

    • CC: 4097
    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1969 CHEVROLET C30 PICKUP

    • CC: 4097
    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1977 CHEVROLET CORVETTE

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: ALL
    • EngineType: ALL

    1973 GMC K15/K1500 SUBURBAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: BASE
    • EngineType: L6

    1981 CHEVROLET CAMARO

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • SubModel: Z28
    • EngineType: ALL

    1975 BUICK CENTURY

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • EngineType: ALL
    • SubModel: SPECIAL

    1979 GMC K1500 SUBURBAN

    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • EngineType: V8

    1971 CHEVROLET MONTE CARLO

    • CC: 5736
    • Fitment_Note: Must Have Adequate Vacuum To Make Modulator Work Properly
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8
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