MELLING Aluminum Performance Oil Pump, High Pressure (GM LS 4.8L, 5.3L, 5.7L, 6.0L & 6.2L)

High pressure performance upgrade for M295. Stock volume, 10% increase in pressure over M295 oil pump. The cast aluminum housing is CNC machined and hardcoat anodized.  The cast iron cover is CNC machined and phosphate coated. The relief valve features a screw in valve plug with the optional lower stock pressure spring supplied. Uses stock bolt on screen.