B&M Transmission Rebuild Kit, TransKit, GM TH400, 1965-87 (BM20229)

BM20229 - TH375 400 M40 TRANSKIT

GM '65-'87 TH-400, 375 and M40, Auto Transmission Rebuild Kit

Part Number: BM20229

B&M high performance friction materials.
Complete overhaul gasket set.
B&M Transpak modification components including special replacement valves and springs.
Drain plug kit.
A B&M transmission in a box.
Same quality and components used in a B&M street/strip transmission in a do-it-yourself kit.

Includes all the necessary parts, springs, plates, etc., to convert your valve body to a full B&M manual/automatic valve body.
Improved shift feel, retains full automatic features.
A B&M transmission in a box! If you've got the time, we've got the parts to transform your automatic transmission into a full-tilt B&M performer! This is our ultimate transmission kit - it comes complete with full instructions on how to assemble your transmission to B&M specifications. Includes special directions on modifying your case, pump, and other components to vide you with all the science and engineering that B&M has put into every transmission we build. Our instruction sheets provide you with all the information needed to completely overhaul an automatic transmission.(Bushings not included with TransKits).