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B&M 20480

Nitrous Holeshot 2400 Converter 1965-91 TH375, TH400 & TH425



B&M 20480

Part Number: 130-20480

Nitrous Holeshot 2400 Converter
  • 1965-91 TH375, TH400 & TH425
  • 1968-81 TH350 and TH375B
  • 2300-2500 RPM Stall
  • With Anti-Ballooning Plate
  • Non-Lockup
  • $363.57
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    B&M 20480 Nitrous Holeshot 2400 Converter 1965-91 TH375, TH400 & TH425 $363.57

    B&M 20480 Details

    GM

    For 1965-91 GM TH375, TH400, and TH425
    GM vehicles with variable pitch transmission (some 1965-67 Buick, Oldsmobile, and Cadillac) must have pump and input shaft changed to fixed pitch design to use B&M converter

    For 1968-81 TH350 and TH375B

  • Does not fit TH350C
  • Does not fit lock-up converter or clutch converter models

  • Specifications:

    Trans Year
    1965
    Trans Year
    1966
    Trans Year
    1967
    Trans Year
    1968
    Trans Year
    1969
    Trans Year
    1970
    Trans Year
    1971
    Trans Year
    1972
    Trans Year
    1973
    Trans Year
    1974
    Trans Year
    1975
    Trans Year
    1976
    Trans Year
    1977
    Trans Year
    1978
    Trans Year
    1979
    Trans Year
    1980
    Trans Year
    1981
    Trans Year
    1982
    Trans Year
    1983
    Trans Year
    1984
    Trans Year
    1985
    Trans Model
    GM- TH350 (Auto)3 Speed
    Trans Model
    GM- TH400 (Auto)3 Speed
    Trans Model
    GM- TH375B (Auto)3 Speed
    Trans Model
    GM- TH425 (Auto)3 Speed
    Stall Speed (RPM)
    2200-2800
    Hardware Included
    Yes
    Anti-Ballooning Plate
    Yes
    Balanced
    Yes
    Furnace-Brazed
    Yes
    Lockup
    No
    Quantity
    Sold individually
    Manufacturer's Part Number:
    20480

    Serious Converters for Serious Performance

    B&M Nitrous Holeshot Torque Converters are specially designed for use on Street Rods, Pro Street, and Street Machines with plate-type nitrous systems that produce serious horsepower, and need a torque converter that can handle it. B&M Nitrous Holeshot Torque Converters contain anti-balloon plates along with the same features as the other B&M Holeshots. The anti-balloon plates enable these torque converters to withstand the instant horsepower that nitrous delivers. Torque converters with higher than stock stall speed provide better acceleration from a dead stop and allow a vehicle with a big cam to idle better. The Holeshot can be used in a typical street machine, however when nitrous is used the Nitrous Holeshot is your best choice. The Nitrous Holeshot 2400 is the preferred choice for big cubic inch crate motor applications.

    RPM Ranges for B&M Nitrous Holeshot Torque Converters:
  • Nitrous Holeshot 2400: 2300-2500 RPM
  • Nitrous Holeshot 3000: 2800-3200 RPM
  • Nitrous Holeshot 3600: 3400-3800 RPM

    Features:
  • Furnace brazed impeller
  • New precision steel alloy pump drive tube
  • New heavy duty needle bearing between stator & impeller (not a thrust washer)
  • Needle bearing between stator & turbine
  • Furnace brazed turbine
  • Dual pattern drive lugs on some GM Holeshots
  • New turbine hub
  • New springs & rollers in stator
  • Anti-balloon plate

  • Does B&M 20480 fit your vehicle?

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    1986 CHEVROLET C30 PICKUP

    • Liter: 6.2
    • SubModel: SILVERADO
    • EngineType: V8

    1965-1967 CHEVROLET K20 SUBURBAN

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1974 GMC C25/C2500 PICKUP

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1975-1976 BUICK ESTATE WAGON

    • EngineType: ALL
    • SubModel: ALL

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    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8

    1972-1974 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: ALL

    1969 CHEVROLET K20 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1973 BUICK ESTATE WAGON

    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 455
    • EngineType: V8

    1977 PONTIAC LEMANS

    • Liter: 6.6
    • SubModel: SPORT
    • CUI: 403
    • EngineType: V8

    1979-1981 GMC K2500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1965-1967 CHEVROLET BISCAYNE

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1974 CHEVROLET C30 PICKUP

    • Liter: 4.1
    • SubModel: BASE
    • EngineType: L6

    1974 PONTIAC VENTURA

    • EngineType: ALL
    • SubModel: BASE

    1973 CHEVROLET G20 VAN

    • CC: 5736
    • Liter: 5.7
    • SubModel: SPORTVAN
    • EngineType: V8

    1971 CHEVROLET CHEVELLE

    • EngineType: L6
    • SubModel: GREENBRIER

    1973 PONTIAC LEMANS

    • Liter: 7.5
    • SubModel: SAFARI
    • EngineType: V8

    1974 CHEVROLET BLAZER

    • CC: 4737
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1974 PONTIAC GRANDVILLE

    • CC: 7457
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8

    1990 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: RALLY CAMPER SPECIAL

    1985 CHEVROLET C30 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1971 PONTIAC VENTURA

    • Liter: 5.0
    • SubModel: BASE
    • EngineType: V8

    1977-1978 CHEVROLET NOVA

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1985 CHEVROLET K30 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1974 OLDSMOBILE CUSTOM CRUISER

    • Liter: 7.5
    • SubModel: BASE
    • EngineType: V8

    1973-1974 CHEVROLET CAPRICE

    • Liter: 6.6
    • SubModel: CLASSIC
    • EngineType: V8

    1972 GMC K25/K2500 PICKUP

    • Liter: 4.8
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 292
    • EngineType: L6

    1975 OLDSMOBILE DELTA 88

    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1989-1990 GMC K2500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA SLE

    1976 CHEVROLET IMPALA

    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8

    1982 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1973 CHEVROLET K20 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1975 PONTIAC BONNEVILLE

    • EngineType: ALL
    • SubModel: ALL

    1981 CHEVROLET C10 PICKUP

    • Liter: 5.0
    • SubModel: CHEYENNE
    • EngineType: V8

    1969-1971 CHEVROLET C20 SUBURBAN

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1969 CHEVROLET C20 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1980 CHEVROLET K20 SUBURBAN

    • Liter: 6.6
    • Aspiration: N
    • SubModel: SILVERADO
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8

    1968 GMC K25/K2500 SUBURBAN

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1971 BUICK LESABRE

    • EngineType: ALL
    • SubModel: ALL

    1973 CHEVROLET CAPRICE

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: ESTATE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8

    1974 CHEVROLET K30 PICKUP

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1989-1990 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA SLE

    1982 CHEVROLET C30 PICKUP

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1980 CHEVROLET K30 PICKUP

    • Liter: 6.6
    • Aspiration: N
    • SubModel: SILVERADO
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8

    1974 PONTIAC GRANDVILLE

    • CC: 7456
    • Liter: 7.5
    • SubModel: BASE
    • EngineType: V8

    1971 CHEVROLET VEGA

    • Liter: 2.3
    • SubModel: BASE
    • CUI: 140
    • EngineType: L4

    1980 BUICK LESABRE

    • EngineType: ALL
    • SubModel: SPORT

    1975 CHEVROLET MALIBU

    • Liter: 5.7
    • SubModel: CLASSIC ESTATE
    • CUI: 350
    • EngineType: V8

    1968 PONTIAC TEMPEST

    • CC: 5733
    • Liter: 5.7
    • Aspiration: N
    • SubModel: SAFARI
    • CUI: 350
    • EngineType: V8

    1976 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC SPORT

    1974 PONTIAC CATALINA

    • Liter: 5.7
    • SubModel: SAFARI
    • EngineType: V8

    1985 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: SILVERADO

    1969 CHEVROLET EL CAMINO

    • CC: 5736
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8

    1972-1974 OLDSMOBILE CUTLASS

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1969 CHEVROLET BROOKWOOD

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8

    1966 CHEVROLET C10 PICKUP

    • CC: 3769
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 230
    • EngineType: L6

    1972 CHEVROLET C10 SUBURBAN

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1969 CHEVROLET C30 PICKUP

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1975 BUICK CENTURY

    • EngineType: ALL
    • SubModel: LUXUS

    1971 GMC C25/C2500 SUBURBAN

    • Liter: 4.1
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 250
    • EngineType: L6

    1968-1969 CHEVROLET IMPALA

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1979-1981 GMC K1500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1968 GMC K25/K2500 SUBURBAN

    • Liter: 5.4
    • SubModel: BASE
    • EngineType: V8

    1970 CHEVROLET MONTE CARLO

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1971 GMC JIMMY

    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8

    1966 CHEVROLET CHEVY II

    • EngineType: ALL
    • SubModel: BASE

    1975-1976 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1981 CHEVROLET G10 VAN

    • EngineType: L6
    • SubModel: BONAVENTURE

    1972 CHEVROLET IMPALA

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1979 CHEVROLET IMPALA

    • EngineType: ALL
    • SubModel: SPORT

    1969 PONTIAC LEMANS

    • EngineType: ALL
    • SubModel: SAFARI

    1969-1970 GMC K25/K2500 PICKUP

    • Liter: 5.0
    • SubModel: BASE
    • EngineType: V8

    1975-1980 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1977-1979 CHEVROLET IMPALA

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1972-1974 OLDSMOBILE CUTLASS

    • EngineType: V8
    • SubModel: S

    1982 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1974 GMC K35/K3500 PICKUP

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1971 GMC G35/G3500 VAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 350
    • EngineType: V8

    1966 CHEVROLET K20 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1985 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM

    1979 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1966 CHEVROLET C30 PICKUP

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1966 OLDSMOBILE 98

    • EngineType: ALL
    • SubModel: ALL

    1968 GMC K25/K2500 SUBURBAN

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1985-1986 GMC C2500 SUBURBAN

    • EngineType: ALL
    • SubModel: SIERRA CLASSIC

    1974 CHEVROLET G10 VAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1970-1971 CHEVROLET C30 PICKUP

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1990 CHEVROLET C1500 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1969 CHEVROLET K10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1982 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1974 PONTIAC VENTURA

    • CC: 5733
    • Liter: 5.7
    • SubModel: GTO
    • EngineType: V8

    1978 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC

    1971 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: ALL

    1975 OLDSMOBILE 98

    • EngineType: ALL
    • SubModel: LUXURY

    1975-1978 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1970-1971 CHEVROLET C30 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1969 CHEVROLET C30 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1970 CHEVROLET BEL AIR

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1975-1979 JEEP J10

    • EngineType: ALL
    • SubModel: ALL

    1985 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1970 BUICK SKYLARK

    • EngineType: ALL
    • SubModel: 350
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