1965-1987 GM TH400, TH375 & TH475 Automatic Transmissions. Heat Protection Center nut works with both

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

this Hi-Tech checking pushrod is adjustable from 5

5 Oil Level Plug for 15-240

Genuine Simpson replacement clear visor designed for Devil Ray racing helmets

Same fluid as our famous MTL gear oil

1965-1987 GM TH400, TH375 & TH475 Automatic Transmissions. Heat Protection Center nut works with bothThe 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