5 cylinders for smooth output

431 stainless steel pump head

Interchangeable, solid ceramic plungers & self adjusting seals

Hardened, alloy steel crankshaft, with heavy-duty steel main bearings

SG iron crankcase with pressure lubrication, filtration and oil cooling

Forged connecting rods, low friction, shell type big end bearings, lead bronze lined small end bushes

Gear driven, eliminating the need for belt drive

Safety relief valve