Big valve set for JS Beehive valve springs only (smaller Domni sets on special order)
All JS valves are equiped with hardened stems and stellite tips for wear resistance. Stock and 1.5mm oversize are black diamond. 3 & 5mm oversize valves are stainless steel. You must order the Beehive spring kit separately above. All big valves with performance cams require re-angling of the guides to avoid valve clash. Smaller Domni 500 to 650SS valves available on special order.