Product Overview
Reverse Boost Valve Kit (Large Ratio, Factory Style Sleeve, No O-Ring Type) (S74507RBK) (K77898A) GMC 700-R4 Valve Kit, Reverse Boost, (.283” OD)(1982-1993) 74507RBK 8648958
Reverse Boost Valve Kit (Large Ratio, Factory Style Sleeve, No O-Ring Type) (S74507RBK) (K77898A) GMC 700-R4 Valve Kit, Reverse Boost, (.283” OD)(1982-1993) 74507RBK 8648958