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B&M Holeshot 2400 Torque Converter 1965-1991 GM TH375/TH400/TH425

B&M 20412

130-20412

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B&M Holeshot 2400 Torque Converter 1965-1991 GM TH375/TH400/TH425 $329.99
Holeshot 2400 Torque Converter
  • 1965-1991 GM TH375/TH400/TH425
  • 1968-1981 GM TH350/TH375B
  • 2300-2500 RPM Stall
  • Non-Lockup

  • B&M 20412 Details

    Holeshot 2400 Torque Converters - GM

  • Does not fit GM TH350C models with locking torque converter
  • Requires 10-3/4" Bolt Circle Flexplate or Dual Pattern Flexplate

  • Specifications:

    Trans Year
    1972
    Trans Year
    1966
    Trans Year
    1978
    Trans Year
    1968
    Trans Year
    1973
    Trans Year
    1980
    Trans Year
    1965
    Trans Year
    1969
    Trans Year
    1979
    Trans Year
    1984
    Trans Year
    1967
    Trans Year
    1985
    Trans Year
    1975
    Trans Year
    1987
    Trans Year
    1982
    Trans Year
    1989
    Trans Year
    1991
    Trans Year
    1977
    Trans Year
    1974
    Trans Year
    1986
    Trans Year
    1990
    Trans Year
    1970
    Trans Year
    1981
    Trans Year
    1988
    Trans Year
    1976
    Trans Year
    1971
    Trans Year
    1983
    Lockup
    No
    Anti-Ballooning Plate
    No
    Quantity
    Sold individually
    Furnace-Brazed
    Yes
    Hardware Included
    No
    Balanced
    Yes
    Trans Model
    GM- TH400 (Auto)3 Speed
    Trans Model
    GM- TH375 (Auto)3 Speed
    Trans Model
    GM- TH425 (Auto)3 Speed
    Trans Model
    GM- TH350 (Auto)3 Speed
    Trans Model
    GM- TH375B (Auto)3 Speed
    Stall Speed (RPM)
    2300-2500
    Automotive Item Grade
    High Performance
    Manufacturer's Part Number:
    20412
    Shipping Weight:
    33.16
    Package Height:
    14.9
    Package Depth:
    7.7
    Package Width:
    14.3

    B&M HoleShot torque converters are designed to improve acceleration and increase drivetrain strength in most street machines. A nice benefit of a Holeshot high stall torque converter is when a higher duration camshaft is used, you can expect improved engine idle while stopped in gear. These high quality balanced torque converters come standard with full furnace brazed impeller and turbine, heavy-duty needle type thrust bearings, and new turbine hubs.

    Note:

      • Not for transbrake applications.
      • Stall speeds may not apply to engines smaller than 350 cubic inches

    Features:

    • Rated up to 600 HP/500Ft-Lbs
    • Furnace brazed impeller and turbine
    • New precision steel pump drive tube
    • Dual pattern drive lugs on some GM HoleShots
    • New turbine hub
    • New springs and rollers in stator
    • New heavy duty needle bearings used instead of thrust washers

     

    RPM ranges for B&M Holeshot Torque Converters:

    • Holeshot 2000: 1900-2100 RPM
    • Holeshot 2400: 2300-2500 RPM
    • Holeshot 2500: 2300-2500 RPM
    • Holeshot 2600: 2400-2600 RPM
    • Holeshot 3000: 2800-3200 RPM
    • Holeshot 3200: 2900-3200 RPM
    • Holeshot 3300: 2900-3300 RPM
    • Holeshot 3500: 3200-3500 RPM
    • Holeshot 3600: 3400-3800 RPM
    • Nitrous Holeshot 3800: 3500-3800 RPM

     

    Stall Speed: Very mild street cars use a 2000 RPM stall speed unit. Most street-driven performance cars with 350 foot pounds of torque or more need a 2400 RPM unit. Cars with more radical small blocks (500 foot pounds of torque at 4500 RPM or higher) require a 3000 RPM converter. The more torque a motor puts out, the higher the resulting stall speed. Therefore most street performance big blocks would still use a 2400 RPM converter because they generally achieve 2600-2800 RPM. An engine smaller than 350ci might not achieve such stall speeds, which are based on an engine producing 230 foot pounds of torque at 2500 RPM.

    Does B&M 20412 fit your vehicle?

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    Aspiration

    1985 CHEVROLET C30 PICKUP

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: SILVERADO
    • EngineType: ALL

    1968 CHEVROLET CAMARO

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.4
    • SubModel: RS
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1985 CHEVROLET K20 SUBURBAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: SILVERADO
    • EngineType: ALL

    1976 CHEVROLET IMPALA

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 7.4
    • SubModel: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973 CHEVROLET BEL AIR

    • CC: 5737
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1973 CHEVROLET K20 PICKUP

    • CC: 5736
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1981 GMC C1500 PICKUP

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: HIGH SIERRA
    • EngineType: ALL

    1982 CHEVROLET G20 VAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: SPORTVAN
    • EngineType: ALL

    1987-1990 GMC R2500 SUBURBAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: ALL
    • EngineType: ALL

    1973 CHEVROLET G20 VAN

    • CC: 5736
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • SubModel: SPORTVAN
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 GMC C15 SUBURBAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 CHEVROLET IMPALA

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • SubModel: S
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977 OLDSMOBILE OMEGA

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 4.3
    • SubModel: DELUXE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1969-1971 GMC K15/K1500 SUBURBAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1974 PONTIAC CATALINA

    • CC: 6555
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • Aspiration: N
    • SubModel: SAFARI
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981 OLDSMOBILE CUTLASS

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 4.3
    • SubModel: LS
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1978-1980 PONTIAC GRAND LEMANS

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: SAFARI
    • EngineType: ALL

    1971 CHEVROLET CAMARO

    • CC: 6588
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1979 CHEVROLET CAPRICE

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.0
    • SubModel: CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 PONTIAC FIREBIRD

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: TRANS AM
    • EngineType: ALL

    1973 GMC G35/G3500 VAN

    • CC: 5736
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • SubModel: VANDURA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968 OLDSMOBILE VISTA CRUISER

    • CC: 6555
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971 CHEVROLET CAMARO

    • CC: 5736
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • SubModel: RS
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 CHEVROLET MONTE CARLO

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • SubModel: S
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972 GMC G35/G3500 VAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 4.1
    • SubModel: RALLY
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1973-1974 CHEVROLET CAPRICE

    • CC: 7441
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 7.4
    • SubModel: CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972 CHEVROLET C20 PICKUP

    • CC: 6588
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1974 GMC SPRINT

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • SubModel: CUSTOM
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1968 GMC C25/C2500 PICKUP

    • CC: 6489
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1969 GMC C15/C1500 SUBURBAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1980 CHEVROLET IMPALA

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 3.8
    • SubModel: SPORT
    • CUI: 229
    • EngineType: V6 ( 3.8 L / 229 )

    1980 GMC C2500 SUBURBAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980 GMC C2500 SUBURBAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 CHEVROLET IMPALA

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 4.4
    • SubModel: SPORT
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1978-1979 CHEVROLET C10 PICKUP

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: BIG TEN
    • EngineType: ALL

    1969 GMC K1500 PICKUP

    • CC: 5012
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V6 ( 5.0 L / 305 )

    1976-1980 OLDSMOBILE 98

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: LUXURY
    • EngineType: ALL

    1973 CHEVROLET CAMARO

    • CC: 5737
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973 CHEVROLET G20 VAN

    • CC: 4098
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 4.1
    • SubModel: SPORTVAN
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1973 GMC JIMMY

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1981 CHEVROLET G10 VAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: BONAVENTURE
    • EngineType: ALL

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • Aspiration: N
    • SubModel: SILVERADO
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971 PONTIAC FIREBIRD

    • CC: 7456
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 7.5
    • SubModel: TRANS AM
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1971 CHEVROLET CHEVELLE

    • CC: 5736
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • SubModel: NOMAD
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972 GMC SPRINT

    • CC: 7439
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 7.4
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974 CHEVROLET K10 PICKUP

    • CC: 4098
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980 CHEVROLET MALIBU

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 3.8
    • SubModel: CLASSIC
    • CUI: 229
    • EngineType: V6 ( 3.8 L / 229 )

    1989-1990 GMC C3500 PICKUP

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: SIERRA SLE
    • EngineType: ALL

    1982-1989 GMC P25/P2500 VAN

    • Liter: 5.7
    • SubModel: VALUE VAN
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1986 CHEVROLET BLAZER K5

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: ALL
    • EngineType: ALL

    1973 BUICK APOLLO

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: ALL
    • EngineType: ALL

    1975 OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 4.3
    • SubModel: BASE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1967 PONTIAC CATALINA

    • CC: 6555
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1982-1983 CADILLAC FLEETWOOD

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: BASE
    • EngineType: ALL

    1972 GMC C25/C2500 SUBURBAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1975-1980 OLDSMOBILE CUSTOM CRUISER

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: ALL
    • EngineType: ALL

    1974 CHEVROLET CAMARO

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: Z28
    • EngineType: ALL

    1972 CHEVROLET K20 SUBURBAN

    • CC: 5736
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 CHEVROLET MONTE CARLO

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: LANDAU
    • EngineType: ALL

    1972 CHEVROLET NOVA

    • CC: 5737
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982 GMC G35/G3500 VAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: MAGNAVAN
    • EngineType: ALL

    1968 GMC K15/K1500 SUBURBAN

    • CC: 6489
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1969 GMC C25/C2500 SUBURBAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1971 CHEVROLET CHEVELLE

    • CC: 7441
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 7.4
    • SubModel: MALIBU
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1981 BUICK CENTURY

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971 PONTIAC LEMANS

    • CC: 6555
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977 OLDSMOBILE OMEGA

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 3.8
    • SubModel: F85
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1974 PONTIAC GRAND AM

    • CC: 7457
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1973-1974 CHEVROLET IMPALA

    • CC: 6556
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972-1973 PONTIAC GRAND PRIX

    • CC: 6556
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1974 GMC C1500 PICKUP

    • CC: 7441
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975 JEEP CJ6

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: ALL
    • EngineType: ALL

    1972-1974 PONTIAC FIREBIRD

    • CC: 5737
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971 CHEVROLET CAMARO

    • CC: 5031
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: CA
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1970-1971 CHEVROLET EL CAMINO

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: ALL
    • EngineType: ALL

    1966 CHEVROLET K20 PICKUP

    • CC: 5358
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1974 PONTIAC VENTURA

    • CC: 5733
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • Aspiration: N
    • SubModel: GTO
    • Engine Vin: A
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980 GMC C1500 PICKUP

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1974 CHEVROLET G10 VAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1982-1983 CADILLAC FLEETWOOD

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: FORMAL
    • EngineType: ALL

    1965 CHEVROLET BISCAYNE

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1975 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: ALL
    • EngineType: ALL

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 4.8
    • SubModel: SILVERADO
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1971 PONTIAC LEMANS

    • CC: 6555
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971 CHEVROLET G30 VAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • SubModel: SPORTVAN
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: SILVERADO
    • EngineType: ALL

    1969 CHEVROLET C20 PICKUP

    • CC: 6489
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1970-1974 PONTIAC FIREBIRD

    • CC: 4098
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979-1980 GMC K1500 SUBURBAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: HIGH SIERRA
    • EngineType: ALL

    1981 CHEVROLET C10 PICKUP

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1973-1974 PONTIAC LEMANS

    • CC: 6555
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • SubModel: SAFARI
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1965-1966 BUICK ELECTRA

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: ALL
    • EngineType: ALL

    1966 CHEVROLET CAPRICE

    • CC: 6998
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1972 GMC G35/G3500 VAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 4.1
    • SubModel: VANDURA
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1967 BUICK LESABRE

    • EngineType: ALL
    • SubModel: CUSTOM

    1971 PONTIAC LEMANS

    • CC: 6555
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971 CHEVROLET CHEVELLE

    • CC: 6556
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 6.6
    • SubModel: MALIBU
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972 CHEVROLET K20 SUBURBAN

    • CC: 4098
    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1990 CHEVROLET G30 VAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • Liter: 5.7
    • Aspiration: N
    • SubModel: SPORTVAN
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970-1971 GMC C25/C2500 SUBURBAN

    • Fitment_Note: Req. 10.75 in. Bolt Circle Or Dual Pattern Flexplate
    • SubModel: ALL
    • EngineType: ALL
    20412 is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from I installed b&m's holeshot 2400 in my 1988 Winnebago 454 big block th400 And noticed right away a better idle and excelleration. No problem pulling a trailer up over mountain passes. Seems to be running cooler than with stock converter. If your thinking new converter this is it. Charlie M.
    Date published: 2017-06-21
    • y_2018, m_10, d_15, h_2
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    What gear ratio is recommended with B&M holeshot convertors 2000 & 2400

    Asked by: Purp
    This will depend on the tires size and the camshaft being used. Please refer to the cam information.
    Answered by: Rusty B
    Date published: 2018-09-06
    • y_2018, m_10, d_15, h_2CST
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