Rolair K17 Valve Kit (includes Gaskets)
Rol-Air Pump Parts

Price: $78.18
Found under the following brands:
Master Tool Repair
This kit contains the following items
Rolair K17 Pump Valve Kit - Includes 4 valves, head gasket, valve plate gasket & cylinder gasket.
This short video shows how to install a valve rebuild kit on a Rolair K17 Pump.