65-91 GM B&M Street/Strip Automatic Transmission - GM TH400 112002

Item #23168

Made in the USA
65-91 GM B&M Street/Strip Automatic Transmission - GM TH400 112002
65-91 GM B&M Street/Strip Automatic Transmission - GM TH400 112002
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This GM TH-400 is our B&M Street/Strip automatic transmission (for Chevrolet applications) with a large diameter bushing for use with large diameter yoke (1-7/8 inch) Spicer yoke part number 2-3-10431X) 600 HP maximum. Legendary B&M transmission for street use B&M's Street/Strip transmission is a complete ready to run unit (less converter) for high performance street and mild strip use. The transmission provides firm shifts and features a standard shift pattern, these are the finest available for street and strip use. 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 and kickdown solenoid and a re-calibrated valve body. Max 600 HP / 550 Ft/Lbs.


  • Includes New Adjustable Modulator
  • Performance Friction Materials
  • High Performance B&M Quality
  • Recalibrated Valve Body
  • Legendary Performance
  • Forward Shift Pattern


2WD/4WD: 2WD
Automotive Item Grade: High Performance
Brake Included: No
Brand: B&M
Built-In Transmission Shield: No
California Proposition 65 Chemical Name 1: Benzene Chromium (hexavalent compounds)Lead
California Proposition 65 Chemical Name 2: Lead
California Proposition 65 Required: Yes
Case Material: Cast Aluminum
Color:/td> Black
Control Type: Hydraulic
Cooler included: No
Dipstick included: No
Disclaimer: Transmission shipped without speedometer driven gear or housing
Drive Type: RWD
Emission Code: 5
Friction Plates: New
Front Pump: Rebuilt
Gear Ratio-First: 2.48
Gear Ratio-Second: 1.48
Gear Ratio-Third: 1.00
Horsepower Rating (HP): 600
HP/Torque: Max 600 HP / 550 Ft/Lbs
Manual Valve Body: No
Part Type: High Performance
Product Type: Automatic Transmission Assembly
Reverse Gear Ratio: 2.00
Reverse Pattern: No
Sprag: 16 Element
Torque Converter Included: No
Torque Rating (Ft/Lbs): 550
Transbrake: No
HP/Transmission Model: TH400
Transmission Series: Street/Strip
Transmission Speeds: 3
Transmission Type: TH400
Valve Body Configuration: Recalibrated
Valve Body Pattern: Forward
Valve Body Type: Automatic
Part Number: 112002


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.


1 Year Manufacturers Warranty

Eastwood Offers Free Lifetime Technical Support

Click here for product SDS information

Attention California Residents - Proposition 65

Proposition 65 Warning WARNING - Cancer and Reproductive Harm - www.P65Warnings.ca.gov


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