B&M Shift Improver Kit - GM TH400 Transmissions - 20260 exhaust-flex-pipe 2 V8 1975 - 1980

2 V8 1975 - 1980 Plymouth PB200 318/5

1985-1988 Chevrolet S10 Blazer 151 CID

Application Camaro-1969

125 Quantity 10

Temperature 195

B&M Shift Improver Kit - GM TH400 Transmissions - 20260 exhaust-flex-pipe 2 V8 1975 - 1980Overview: The 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,