This tank filler cap features a large opening for easier filling of you vegetable oil tank. Also used in aircraft and automotive racing fuel cell applications, these twist-lock caps feature an integrated one-way check valve to allow air into your tank without spilling. New cap comes with mounting hardware. These are a great solution for replacement of old caps as well as new custom tank assemblies (can be used with diesel and gasoline as well).
	
Mounting hardware included (RTV sealant not included)
	
One way inlet check valve
	
Large opening for easy fuel tank filling