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B&M 20402

Tork Master 3000 Torque Converter 1965-1991 GM TH375, TH400 & TH425

B&M 20402

130-20402

made in usa
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B&M 20402 Tork Master 3000 Torque Converter 1965-1991 GM TH375, TH400 & TH425 $329.99
Tork Master 3000 Torque Converter
  • 1965-1991 GM TH375/TH400/TH425
  • 1968-1981 GM TH350/TH375B
  • 2800-3200 RPM Stall

  • Specifications:

    Trans Year
    1965
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    1966
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    1981
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    1982
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    1985
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    1986
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    1987
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    1988
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    1989
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    1990
    Trans Year
    1991
    Stall Speed (RPM)
    2800-3200
    Trans Model
    GM- TH350 (Auto)3 Speed
    Trans Model
    GM- TH375 (Auto)3 Speed
    Trans Model
    GM- TH400 (Auto)3 Speed
    Trans Model
    GM- TH375B (Auto)3 Speed
    Trans Model
    GM- TH425 (Auto)3 Speed
    Hardware Included
    No
    Anti-Ballooning Plate
    No
    Balanced
    Yes
    Furnace-Brazed
    No
    Lockup
    No
    Quantity
    Sold individually
    Manufacturer's Part Number:
    20402

    High Stall Performance At An Incredible Value

    B&M Tork Master Torque Converters are excellent all-around performance street converter. Even without a highly modified engine, these converters will give you better acceleration through a higher stall speed, allowing the engine to develop more torque at the time of initial acceleration. Tork Master Torque Converters are put together with new pump drive tubes, needle bearings were equipped on the original model, and new thrust washers.

    Features:
  • Highest quality-value priced street performance converters available
  • Rated up to 350 HP/350 Ft-Lbs
  • New precision steel pump drive tube
  • Needle bearings where factory equipped
  • New thrust washer between turbine and cover

    Notes:
  • Not recommended for higher performance big blocks or super charged engines
  • Not to be used with a transbrake
  • Engines smaller than 350 cubic inches may not achieve indicated stall speeds

    Choosing a B&M Torque Converter:

    Car Weight: Street rods generally perform better using a 2400 RPM converter even with a mild motor due to the vehicle's light weight. A 2000 RPM converter tends to require too much braking effort when idling but a 2400 RPM unit remains comfortable and efficient.

    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.

    Tork Master vs. Holeshot: Except for supercharged and nitrous engines, Tork Masters are a great value for most small block applications. Holeshots/Nitrous Holeshots should be used for all applications with 450 foot pounds of torque and all blown or nitrous applications. Holeshot converters are furnace-brazed with more sophisticated bearings. Thus they withstand much more torque and horsepower.

  • Does B&M 20402 fit your vehicle?

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    • CUI: 454
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    1966 CHEVROLET K10 PICKUP

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1972 CHEVROLET C20 PICKUP

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

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

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    • EngineType: V8 ( 6.6 L / 400 )

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    • CUI: 250
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    • Liter: 5.7
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    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

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    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

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    • Liter: 4.1
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    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

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    • SubModel: VANDURA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

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    • EngineType: ALL
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    • Liter: 6.6
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    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981 CHEVROLET G10 VAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: BONAVENTURE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1971 GMC G35/G3500 VAN

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

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    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

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    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1982-1986 GMC C2500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1973 CHEVROLET G20 VAN

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

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    • EngineType: ALL
    • SubModel: ALL

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    • EngineType: ALL
    • SubModel: CHEVY VAN

    1970-1971 PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • SubModel: ESPRIT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972 GMC G35/G3500 VAN

    • Liter: 4.1
    • SubModel: VANDURA
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1975-1978 JEEP CJ5

    • Liter: 4.2
    • SubModel: BASE
    • CUI: 258
    • EngineType: L6 ( 4.2 L / 258 )

    1978-1979 PONTIAC GRAND PRIX

    • Liter: 5.0
    • SubModel: LJ
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1974 CHEVROLET C10 PICKUP

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1969 CHEVROLET K20 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1972 CHEVROLET CAMARO

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    1981 CHEVROLET C10 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: SILVERADO
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1968-1969 OLDSMOBILE DELTA 88

    • CC: 5737
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )
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