Compr.release valves M10x1x.425" +1.08"

AV&V compression release valves are available in OEM style or with a shorter thread section. The advantage of the shorter thread section is that you do not have to machine the heads as deep like if you were using OEM style . These release valves all are M10x1 threaded and feature high-temperature resistant knobs are charcoal colored for a better match with black or silver heads. Sold in pairs.