B&M Prerunner/Trail Automatic Transmission - GM TH400

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Part
B&M 112004

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 a deep cast aluminum pan. This transmission also features a manual/forward valve body with a 2.48:1 first gear ratio, 1.48:1 second gear. Internal components include rebuilt front pump, 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 silencer ring. Max 600 HP / 550 Ft/Lbs. Intended for off road/trail use.

  • Rated to 600HP and 550 FT/LBS
  • Includes Deep Aluminum Pan
  • Manual/Forward Valve Body
  • Intended for Off-Road Use
More Information
PartB&M 112004
Manufacturer Part Number112004
UPC19695954055
BrandB&M
ColorBlack
Drive TypeRWD
Emission Code5
Horsepower Rating Hp600
Part TypeOff Road
Torque Rating Ft Lbs550
Transmission ModelTH400
Transmission Speeds3
Transmission TypeTH400
Typeproduct
Valve Body TypeManual
Item ReturnsThis item can be returned

2WD/4WD2WD
Automotive Item GradeHigh Performance
Brake IncludedNo
BrandB&M
Built-In Transmission ShieldNo
California Proposition 65 Chemical NameBenzene
California Proposition 65 RequiredYes
Case MaterialCast Aluminum
ColorBlack
Control TypeHydraulic
Cooler includedNo
Core Change ApplicableNo
Dipstick includedNo
Drive TypeRWD
Emission Code5
Friction PlatesNew
Gear Ratio-First2.48
Gear Ratio-Second1.48
Gear Ratio-Third1.00
Horsepower Rating (HP)600
Horsepower Rating (HP)600
Manual Valve BodyYes
Part TypeOff Road
Product TypeAutomatic Transmission Assembly
Reverse Gear Ratio2.00
Reverse PatternNo
Tailshaft Length (In)4
Torque Converter IncludedNo
Torque Rating (Ft/Lbs)550
TransbrakeNo
Transmission ModelTH400
Transmission Pan FinishNatural
Transmission Pan MaterialAluminum
Transmission Pan TypeDeep, Cast
Transmission SeriesPrerunner/Trail
Transmission Speeds3
Transmission TypeTH400
Valve Body ConfigurationRecalibrated
Valve Body PatternForward
Valve Body TypeManual
WarningCalifornia Proposition 65

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