B&M Shift Improver Kit Suit Turbo 400 / T400 Transmissions # BM20260 Rate_10 Professional Products Power Throttle Bodies

Professional Products Power Throttle Bodies

For engines producing 800+ hp

4L 97 - 98 TIMING COVER SET # JV5010

while adding valve lift

B&M Shift Improver Kit Suit Turbo 400 / T400 Transmissions # BM20260 Rate_10 Professional Products Power Throttle BodiesB&M Shift Improver Kit Suit Turbo 400 T400 Transmissions # BM20260 Transmission Upgrade Kit, Shift Improver, GM, TH400, TH375, M40, Each Filter Included: No Gaskets Included: Yes Full Manual: No Remanufactured: No Quantity: Sold as a kit. Notes: Does not fit transmissions built after 1987. BM Shift Improver Kits BM Shift Improver kits are the easiest way to get the stout performance you've always wanted out of your automatic transmission. All you need