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Set of 8 new in the box Manley Performance SS Chevy valves. Head OD 1.600, OAL 4.845, just a hair longer than the stock Ford valve. Some of the advantages of the Chevy valve are;
1. Same stem diameter as the stock Ford, about. .060 longer which is big advantage with reground high lift cam.
2. The 1.600 diameter gets the valve up higher in a seat that has been ground too deep, which in effect unshrouds the valve and gives a little more effective lift.
3.Top quality performance Chevy valves that flow better are cheaper than the flathead version.
Set of 8 Manley Performance SS Chevy valves, new in the box, $95. Have some spare new ones also. Prefer P/up at Hershey, C$S-35, but will ship if need be.
Russ