Melling 10355HV: 10355HV High-Volume Oil Pump [Adjustable Pressure] GM Gen IV LS 5.3/6.0/6.2L
GM LS Engine Oil Pumps GM LS Oil Pump Application Guide, Click Here
High-Volume Oil Pump GM Gen IV LS-Series 5.3/6.0/6.2 V8 Engines 2003-2017 +20 Percent Volume / Adjustable Pressure Pickup Tube Diameter: 7/8 in. (.875 in.) Includes O-Rings, Optional Standard PSI & +20 PSI High-Pressure Spring