Product Overview
507H Valve Kit, Reverse Boost, 700-R4 (.296” OD) 1982-1993 74507RGK 8648959
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 & Sleeve Kit (Factory Style, Diesel Ratio) S36741RAAK 36946-03K
Reverse Boost Valve Kit (“Factory” Style) (S34507RCK) (34910-05K)
4L60,200-4R Reverse Boost Valve Kit (Large Ratio, O-Ring Style) (S74507RDK) (K77898)