NOS Plumbing kits are offered for those needing only the components related to the intake manifold plumbing of a direct port Injection kit. Proper quantities of nozzles, lines, jets, and appropriate fittings are included. Plumbing kits are also available in show version with polished lines, distribution blocks and chrome Solenoids (if included in part number). 8 cylinder with solenoids. Kit includes: 13700B nozzles, adjustable to 100–500HP and comes with 300HP jets.