Rolair

(HP)

Single A Groove OD-4-1/2"

Kit includes 1 bottle of oil, 1 pump air filter, and 1 set of (4) vibration pads.

If your valve plates are pitted or the valve holes are not lining up with your valves, then you will need to replace these. 2 required for a set. Poor performance or air leaks out of the intake...