Melling SB Chevy Hi-Volume Oil Pump w/3/4" Inlet RG30003S 5/64 x 3/32 x 3/16

5/64 x 3/32 x 3/16 in Ring Grooves

Econ-O-Fit Hose Clamps are machined from aluminum alloy and are available in red

Before purchase please verify if you have New Body Style or Legacy (Chevy)/Limited (GMC) on 2019 Silverado/Sierra 1500 - This part is for the New Body Style

4-1/2 in Quad Round Outlets

85mm Gasket BoreSince 1989

Melling SB Chevy Hi-Volume Oil Pump w/3/4" Inlet RG30003S 5/64 x 3/32 x 3/16Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. High volume performance upgrade for the M 99HV S. The 10990 is a big block style oil pump made to fit the small block applications. The drive and idler shafts have been extended to allow for additional support in the cover. Additional support eliminates dynamic shaft deflection at increased RPM levels. The cover is