These high quality steel replacement valves are ideal for stock rebuilds and/or mild performance motors. Set includes 12 steel replacement valves (6 intake and 6 exhaust) with 5/16" stem. Fits 170/200/250ci cylinder heads produced from 1965-1976.
Stem: 5/16"
Intake: 1.649"
Exhaust: 1.380"
Installed Height: 1.68"