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B&M 112003 Street and Strip Transmission TH 400 Chevrolet
B&M 112003 Street and Strip Transmission TH 400 Chevrolet

B&M 112003 Street and Strip Transmission TH 400 Chevrolet

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B&M 112003 Street and Strip Transmission TH 400 Chevrolet
B&M 112003 Street and Strip Transmission TH 400 Chevrolet
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We estimate this item will ship on or before April 27th.
Part # 200112003
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  • This item ships directly from the manufacturer. It may take an additional 3 business days for B&M Transmission to ship this item.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.


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Dipstick Included:
Transmission Advertised Horsepower Rating:
Transmission Cooler Included:
Transmission Pan Style:


$25, $50, or $75 Manufacturer Rebate Available! To receive your rebate you must purchase a qualifying Flowmaster, B&M, or Hurst product between April 1, 2018 and April 30, 20. See the manufacturer REBATE FORM for more details.


B&M Racing Street/Strip T400 Automatic transmission for Buick, Oldsmobile and Pontiac applications with large diameter bushing for use with large 1.875 inch Spicer yoke (part number 2-3-10431X.) This transmission is a complete ready to run unit (less converter) for high performance street and mild strip use. Since Chevrolet based T400 cores are getting harder to find, we've included a B&M Racing B.O.P./Chevy adapter plate so you can also use this transmission on 62 and later small block and big block Chevy engines. This transmission provides firm shifts and features a standard forward shift pattern. Includes a 2.48:1 first gear ratio, 1.48:1 second gear, rebuilt front pump utilizes B&M pressure regulator spring and shims, all new B&M high performance friction plates, new intermediate roller clutch, new kickdown band with welded anchors, machined center support with new case saver ring, all new thrust bearings and races, new adjustable modulator and silencer ring, new external electric connector, kickdown solenoid and a recalibrated valve body. Transmission has a 4" tailshaft. Recommended max 600 HP and 550 Lb Ft

  • Includes B&M B.O.P. Transmission to Chevy Engine Adapter
  • High Performance Street/Strip Applications
  • Recalibrated Valve Body and Chrome Pan
  • High Performance Friction Materials


RWD Vehicles requiring a GM Turbo-Hydramatic 400 automatic transmission.
Some parts are not legal for use in California or other states with similar laws/regulations

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