431 stainless steel pump head

Solid ceramic plungers & self adjusting seals

Interchangeable plunger kits

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

SG iron crankcase with pressure lubrication, oil 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, and pressure gauge