Moroso for GM LS Std Volume High Pressure Oil Pump

Standard Volume Oil Pump; GM LS Series High Pressure, Wet Sump; Fits: Gen III and Gen IV; 4.8L, 5.3L, 6.0L, 6.2L Great upgrade, replacement over factory GM oil pumps High Volume Pump will increase volume by 33% over stock oil pumps High Pressure Pumps include 10% higher pressure bypass springs which is beneficial over factory pumps in vehicles equipped with accumulators, oil coolers and/or remote oil filters Will fit with stock timing cover Great upgrade for engines with Moroso or aftermarket oil pans and those engines that feature Active Fuel Management (AFM)* . *No. 22121 GM LS High Volume/High Pressure, Oil Pump Will fit with stock timing cover Not suitable with engines that feature Active Fuel Management (AFM)