Valve details: Race Flo exhaust, 1.600 in head, 0.342 in valve stem, 4.911 in long, stainless, for Small Block Chevy - set of 8. Valve - Race Flo - Exhaust - 1.600 in Head - 0.342 in Valve Stem - 4.911 in Long - Stainless - Small Block Chevy - Set of 8.
