Industrial Injection 24 valve Cummins injectors originate from new Bosch injectors, and we use the new Bosch injectors to maintain quality and bypass the hassle of a core charge. The new style 6 hole injectors are designed to work with our Dragon Fire Extreme VP44, and our P-pump conversion kits, these are also used in the top running diesel trucks around the nation 0 432 193 635-R2 Dodge 5.9L 24 Valve Race2 Honed x 4 1998---2002 120 HP