Chevrolet TH400 3 speed automatic transmission.
Th400 Level 4
Rated up to: 1200 HP at the crankshaft
Rated up to: 1000 Ft-Lbs. of torque at the crankshaft
Converter: Custom Built & Custom Stalled 10" Or 11" Billet Yank Performance Converter
Stall: 2600-4000
Master Overhaul Kit with New Steels
Raybestos Stage 1 Racing Frictions
Transgo Competition Valve Body Recalibration with Shift Command or Full Manual Forward Pattern
Gearstar Full Race Shift Kit
High Flow Filter
New Kickdown Solenoid
Adjustable Modulator
New Kevlar Front Band
New Borg-Warner Low-Reverse Band with Heavy Duty Lugs
New Torrington Bearing Kit
Bushing Kit With Flanged No Walk-Out Case Bushing
Thrust Washer Kit
New Low-Reverse Spring and Roller
High Capacity Direct 9-Clutch Drum With 34 Element Intermediate Sprag and Hardened Race
High-Rev Spring Kit
Extra Capacity Intermediate Clutch Assembly
300M Billet Forward Clutch Hub
300M Hardened Input Shaft and Reinforced Forward Drum Assembly
300M Main Shaft
High Volume and High Flow Pump Assembly
New Hardened Pump Gears
New Speedometer Drive Gear
New Speedometer Driven Gear
New Aluminum Transmission Pan with Drain Plug
New Transmission Mount
New External Transmission Cooler
New Torque Converter Dust Cover
Bellhousing Hardware
Torque Converter Hardware
**Chevrolet, Bopc Cases Options Available**
| Gear Ratios | 1st | 2nd | 3rd |
| TH400 | 2.480 | 1.480 | 1.000 |
| Dimensions |
| Measurements are taken from mounting surface where trans meets engine block to the tip of the tailshaft |
| Total Length: 28″ with 4″ Tail Housing 2WD Only |
| Total Length: 31″ with 9″ Tail Housing |
| Distance to trans mount center: 27″ |
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