B&M Transpak - GM TH700R4/4L60 Transmissions - 70235 exhaust-reducers 00 inch Emission Code 4

00 inch Emission Code 4 Engine Chevrolet Small Block Header Finish Black Paint Header Flange Thickness (in) 5/16 inch Header Style Long Tube Primary Tube Dia

8 V8 2006 - 2007 Dodge Ram 2500 TRX4 345/5

3 V8 1973 - 1974 Chevrolet Malibu 350/5

Part Number: 815425

3 V8 1998 Ford E-350 Econoline 445/7

B&M Transpak - GM TH700R4/4L60 Transmissions - 70235 exhaust-reducers 00 inch Emission Code 4Overview: 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 1982 1993 GM TH700R4 4L60 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