1965-1987 GM TH400/375 Automatic Transmissions.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

less gear noise and consistent viscosity

but they are costly upgrades

Finish Line Factory AN Check Valves are ideal for controlling the one-way directional flow of fuel

A-PILLAR POD

with CNC machined bushing holders and MIG welded end caps for durability

The CNC machined aluminum side grip plate features two ergonomically placed 12-volt momentary buttons machined at an angle on the side and finger grooves for a comfortable grip

reduce stress concentrations

Great for racing

Other features include fully balanced and pressure tested by expert technicians

Also fits 1986 Ford Mustang GT models with 5

ACCEL now offers the cure for burnt spark plug wire boots with Extreme 9000 Ceramic Wire kits

or for street applications