7.3 injector plunger/barrel assembly

This is a new plunger/barrel assembly for your Powerstroke injector. The plunger is DLC coated for longevity. Chose the type you need from the drop down menu. From Gearhead Automotive Performance: 90cc stock nozzle 225HP 130cc stock nozzle 260-290HP  160cc stock nozzle 325-345HP 160cc 30% nozzle 350-360HP 180cc stock nozzle 300-350HP 180cc 30% nozzle 370-390HP 180cc 80% nozzle 400-425HP 200cc 30% nozzle 385-410HP 200cc 80% nozzle 400-440HP 200cc 100% nozzle 420-460HP 238cc 30% nozzle 440-475HP (depends on air flow in lower rpms can make 550HP with nitrous for example) 238cc 80% nozzle 450-520HP 238cc 100% nozzle 465-550HP 250cc 30% not much gain over 238cc with 30% 250cc 80% nozzle 460-530HP 250cc 100% nozzle 470-575HP