TH400 Transmission Level 1 TH400 “TH400 Stock Plus” Comes with Heavy Duty Torque Converter

$ 1489.00

2WD or 4WD ? *

TH400 Now *

Tail Shaft Type ? *

Stall Speed ? *

Converter Upgrade to #8 ? *

Need Speedometer Gears, 2WD Only *

Horse Power ? *

Go to a 13 inch Torque Converter *

Core Charge *


TH400 Level 1 –  “TH400 Stock Plus”

This transmission comes with a mild shift kit and a heavy duty torque converter with TIG welded fins.

(We’ve tested 400 transmissions against 350 transmissions and the 400 transmissions were faster.)

400 Transmissions Level 1 – Stock Level 2 – 400 Terminator Level 3 – 400 Raptor
Torque Converter Stock #7 No – You Pick
Stall Speeds 1800 1800, 2000, 2600 No
Free Freight No No No
Speedometer Gears Extra Extra Extra
Fairbanks TransAction Kit No Yes Yes
Alto Black Front Band No Yes Yes, Wide
34 Element Sprag and Drum No Yes Yes
Core Charge Yes Yes Yes
Tail Housing 4 or 9 Inch 4 or 9 Inch 4 or 9 Inch
4 Clutch Intermediate Brown Power Pack No Yes No
Alto Kolene Steels and Red Eagle  Power Packs in all 3 Clutch Sets No No Yes
Heavy-Duty forward drum and hard Input Shaft with oversize splines No No Yes
Hard Forward Clutch Hub No No Yes
2WD Price shown, add $100.00 on 4WD case and $149.00 on some 4WD output shafts. Chevy $ $ $ plus converter
Transmission Horse Power Rating 400 (with #7 converter) 800 (with #6X – 400 converter) 1200
Upgrades Cast Aluminum Pan, Powder Coating, Alto Red Eagle Power Packs, 4WD Case, Gear Venders 22% Overdrive
Comments When ordering a 4WD TH400 transmission we need to know how far the output shaft sticks out past the case. If you  have a 454 motor the #7 torque converter that comes with the level 2 TH400 will require a dual bolt pattern flywheel.