Melling BB Chevy Hi-Volume Oil Pump 003111NR Forget foaming and fluid turbulence

Forget foaming and fluid turbulence with our innovative internal return tube

for street and strip applications

2008-2012 Chevrolet Express 2500

1980-1985 GMC G2500

Melling BB Chevy Hi-Volume Oil Pump 003111NR Forget foaming and fluid turbulenceMelling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. High volume performance upgrade for the M 77HV. 25% Increase in volume over stock pump. The housing and cover are CNC machined and phosphate coated. The lower pressure spring is included to reduce pressure if desired. Built with billet steel gears. Includes Intermediate shaft with steel guide. Every Melling high