Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling 10296 high performance oil pump is a 18% high volume upgrade of the M296. The cast aluminum housing is CNC machined and hardcoat anodized. The cast iron cover is CNC machined and phosphate coated for improved pump performance and durability. The relief valve features a screw in valve plug with the optional lower stock pressure spring supplied. The oil pump and screen seals are included. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions.