Larger low pressure piston. Piston only. No rings.

Order rings if your unit is using oil and your valves are good. Hone the cylinder walls prior to installing. Order cylinder gasket if only removing cylinder and installing rings.

Old Part Numbers: 145C3/4" MPT x 1-1/16" SAE female flare swivel x 26" long (teflon smooth bore). 5/8" inside hose diameter. Comes with 1/2" M.P.T. x 1-1/16"-14 SAE straight fitting. You end up with...

If your crank is grooved, replace it to ensure that your rebuild will not be in vain. If there are only surface deposits of aluminum from the bearings, then remove them with a soft wire brush and...