*** IN STOCK SHIPS TODAY *** For the racer that is running a Moroso oil accumulator this one way 1/2" NPT check valve is vital for installation so the racer suffers no oil drain back when motoro is sitting. Once oil passes thru check valve there is a light spring which keeps a small piston inside the check valve sealed against the housing of the check valve to stop the oil from draining back.
Threads are 1/2" female NPT for easy plumbing, check valve is made from durable 1.00" brass barstock for strength and non-corrosive qualities when running fuel and oil thru the check valve pass after pass. Check valve is 1.750" long end to end.