HEAVY DUTY-Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. STREET/STRIP-Positive shifts for high performance street use or for competitive events. Hardest, quickest possible shift. Product Features:Provides Crisp ShiftsOn Any Stock Automatic TransmissionEliminates Soft/Sluggish ShiftEliminates Shift OverlapEliminate Clutch and Band WearImproves Transmission LifeTransmission Removal Not Required
