RCD 6.0L Ford Power Stroke Thumper HPOP

6.0L Ford Power Stroke Thumper HPOP 1 and 2 THUMPER I - This pump supports up to a 225CC conventional injector. THUMPER II - This pump is internally ported, modified for cam clearance and a new high displacement cam is installed. These pumps support up to a 300cc conventional injector. "RCD High Pressure Oil Pumps (HPOP's) offer the highest displacement in the industry. They are remanufactured with all new check valves, heads and shafts to ensure long lasting performance. They will not sacrifice quality for a lower price. "