11GR30, 11GRHK30 #01B4E7

Replace these if bent or worn. Check crank for damage first. Same rod for hi and lo pressure piston (includes upper bushing). Insert Bearings NOT included! Order 3119013017CH Bearing Inserts for this new rod!

Valve plate for ROLAIR K30 pump or ROLAIR K30HU pump.  Sale item - 1 in stock (no returns).

Larger low pressure piston. Piston only. No rings.

Smaller hi pressure piston. Piston only. No rings.

Fell over and cracked your intercooler? This is the left side only. Need both? Order the right side as well.

Finned aftercooler. Order gasket to go with aftercooler.

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.

Everything you need to perform a valve job and restore compression.Extra DetailsIncludes: 30502270CH Head Gasket - Qty 1 30502280CH Inner Valve Plate Gasket - Qty 1 30502290CH Bottom Valve Plate Gasket - Qty 1 32702390CH HP Reed Valve -...

Connector for bottom of intercooler (O-RING STYLE).

Up to 20 SCFM