Weight: 0.49Designed for the performance oriented, but priced for the budget minded, these one piece valves are brought to you by one of the highest caliber valve manufacturers in the world. All exhaust valves are made from XH 422 stainless steel and all intake valves are NK 840. Available in two versions, the extremely hard, chrome stem version, or the extremely slippery nitride coated version. All are one piece forgings with heat hardened tips and fully machined, performance oriented shapes. All head diameters, stem diameters and overall lengths are the same as OEM. Manley quality at budget prices. Sold in pairs.Chrome Stem. Overall Length 4.525". Stem Diameter .3095". Head Diameter 1.615". Exhaust. Evolution 1984/LaterPack of 2, Replaces HD# 18082-83By: MANLEY PERFORMANCE