B&M Transpak - GM TH350 Transmissions - 30228 valve-covers System features include 409S stainless

System features include 409S stainless steel mandrel-bent tubing

Application Corvette-1956 Corvette-1957 Corvette-1958

Interchange: Brand  Interchange Part Number Audi 4M0 254 252 AX Audi 4M0254252AX Audi 4M0 254 252 AX Audi 4M0254252AX

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B&M Transpak - GM TH350 Transmissions - 30228 valve-covers System features include 409S stainlessOverview: 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 1968 1981 GM TH350 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