BM 112006 Prerunner/Trail Transmission, 2WD TH-400 Standard Valve Body for GM Small Block and Big Block

SKU: 112006
Fits Automatic valve body applications. Use with large 1.875 Spicer yoke for 2 wheel drive models.Has 4 inch tailshaft and 7 inch separation on top bellhousing bolts. Transmission shipped without speedometer driven gear or housing.
Price: $1,588.95

To place an order, please call B&M Sales at 707-544-4761

Flat rate shipping of $150.00 applies within Continental U.S.
Regular shipping rate applies to all other destination

The B&M TH-400 PreRunner/Trail automatic transmission is for RWD GM SB/BB applications. This transmission features a large diameter bushing for use with a large diameter yoke (1-7/8 in) and includes a deep, cast aluminum pan. This transmission also features an automatic/forward valve body, 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, and new adjustable modulator and silencer ring, Max 600 HP / 550 Ft/Lbs. Intended for off road/trail use.

  • Includes Deep Aluminum Pan
  • Rated to 600HP and 550 FT/LBS
  • Automatic/Forward Valve Body
  • Intended for Off-Road Use
Transmission ModelTH400Torque Converter IncludedNo
Valve Body ConfigurationRecalibratedValve Body TypeAutomatic
Transmission Pan MaterialAluminumHorsepower Rating (HP)600
Dipstick includedNoDrive TypeRWD
Intermediate&Low Roller ClutchesNewPackage ContentsTransmission
Transmission SeriesPrerunner/TrailTailshaft Length (In)4
Transmission Speeds3Valve Body PatternForward
Transmission Pan TypeDeep, CastTransmission Pan FinishNatural
Torque Rating (Ft/Lbs)550Cooler includedNo
Friction PlatesNew
 California Proposition 65 Information

WARNING: This product can expose you to chemicals including Lead, Chromium (hexavalent compounds) and Benzene which are known to the State of California to ancer, cause birth defects, or other reproductive harm (For more information go to


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