1965-1987 GM TH400/375 Automatic Transmissions. Vitour Performance Tires are offered in two styles:

are offered in two styles: with the heat-shield hood and without

00-inch long spun outer casing for ease of fitment in tight spaces along with High Flow 200 Cell Metallic Substrate for severe-duty/high temperature applications

The floats have corner cuts to avoid shutting off the fuel flow during hard cornering

Designed to be used with corresponding BBK 75mm Throttle Body

Offering AN hose end wrenches

1965-1987 GM TH400/375 Automatic Transmissions. Vitour Performance Tires are offered in two styles:The B&M Transpak is the next step up from the B&M Shift Improver kit. It has all the features in the Shift Improver kit, plus it provides additional driver manual control (GM TH 400, 350, Ford C 6 and Chrysler Torqueflite only). B&M Transpak kit for 1965 1987 GM TH400 375 automatic transmissions. Most stock automatic transmissions won't downshift into low gear above 15 mph, and automatically upshift at a predetermined speed no matter what gear you're