The B&M® Shift Improver kits™ feature two options to recalibrating your 1968-1981 GM TH350 automatic transmissions. First is the HEAVY DUTY set-up, giving you...
Automatic Transmission Shift KitAutomatic Transmission Shift KitsAutomatic Transmission Valve Body Seal KitAutomatic Transmissions and ComponentsDrivetrainNew ArrivalsService KitsTransmission
Industry leading custom bonded gasket valve body separator plate substantially reduces cross leaks compared to stock and other aftermarket kits, even with much higher...