1965-1987 GM TH400, TH375 & TH475 Automatic Transmissions. Heat Protection this Hi-Tech checking pushrod is

this Hi-Tech checking pushrod is adjustable from 5

Center nut works with both 1/4-20 and 5/16-18 thread studs

Preconfigured for Holley HP and Dominator systems

these systems include all necessary parts and hardware for easy installation you can do at home

The internal shape of the cover retains the smooth round back internally to help keep the fluid flow going over the ring gear to properly lubricate the gears and bearings

1965-1987 GM TH400, TH375 & TH475 Automatic Transmissions. Heat Protection this Hi-Tech checking pushrod isThe B&M Shift Improver kits feature two options to recalibrating your 1965 1987 GM TH400, TH375 and TH475 automatic transmissions. First is the HEAVY DUTY set up, giving you firm positive shifts without loss of driver comfort for improved performance in all street vehicles. This is a great option for performance street driving or towing. The second is our STREET STRIP set up. Be warned, this will deliver firm positive shifts you will feel, along with