B&M Shift Improver Kit - Mopar A727/A904 Transmissions - 10226 exhaustrepair Moderate Sound exterior exhaust tone

Moderate Sound exterior exhaust tone

6 V8 1970 - 1976 Chevrolet Monte Carlo 400/6

or 71222024HKR-2 (4L60E

6L V8 1958 Chevrolet Yeoman   283/4

1973-1974 Oldsmobile Omega 5

B&M Shift Improver Kit - Mopar A727/A904 Transmissions - 10226 exhaustrepair Moderate Sound exterior exhaust toneOverview: This B&M Shift Improver kit fits all 1966 1970 Chrysler, Dodge and Plymouth TF727 transmissions with 6 cyl and V8 engines, along with 1966 1977 A 904 transmissions with 6 cyl engines and 1968 1970 A 904 transmissions with V8 engines. This kit recalibrates your automatic transmission for optimum performance, extended life by eliminating shift overlap and excess wear on clutches & bands due to slippage. You get two modes of performance to