B&M Shift Improver Kit - GM TH700R4/4L60 Transmissions - 70239 exhaust-tips 6 V8 1976 - 1979

6 V8 1976 - 1979 Pontiac Firebird Formula 400/6

and True 950-CFM

Applications: 2000-2005 Chevrolet Cavalier

Application 89 Chevy 1/2 Ton 2wd

generates digital square-wave signal

B&M Shift Improver Kit - GM TH700R4/4L60 Transmissions - 70239 exhaust-tips 6 V8 1976 - 1979Overview: The B&M Shift Improver kits feature two options to recalibrating your 1982 1993 GM TH700R4 4L60 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, along with