TH375 400 M40 TRANSKITGM '65-'87 TH-400, 375 and M40, Auto Transmission RebuildKitPart 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).
