Super positive shiftsIncludes .471 boost valvePrevents clutch and band failure Improves overall performanceYou can expect the best of both worlds. Clean shifting (not annoying) under normal throttle. Much firmer, very positive shifts under heavy throttle
High Performance This high performance package is designed to deliver the following:Super positive shiftsIncludes .471 boost valvePrevents clutch and band failureSuperior for performance cars and trucksImproves overall performance 1. This package is designed for the street rodder. 2. You can expect the best of both worlds. Clean shifting (not annoying) under normal throttle. Much firmer, very positive shifts under heavy throttle. 3. Proper shift timing
Brand: Superior