B&M Shift Improver Kit - Mopar A727/A904 Transmissions - 10225 back-up-light-switch 2 L4 1992 Plymouth Sundance

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B&M Shift Improver Kit - Mopar A727/A904 Transmissions - 10225 back-up-light-switch 2 L4 1992 Plymouth SundanceOverview: This B&M Shift Improver kit fits all 1971 1977 Chrysler, Dodge and Plymouth Torqueflite A727 transmissions, along with A904 transmissions that originally came behind V 8 engines. This kit recalibrate's 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 select from: Stage 1 Heavy Duty, or Stage 2 Street Strip.