11-0665 - 1000cc Steel Intake Valve

Sifton steel inchR inch type intake valve with 1-15/16 inch head. intake valves are 3.68 inch long. inchR inch type valves are .080 inch longer than the stock valves and have a tulip shape head for maiximum flow. Value face diameters are also larger which require a larger seat ground in the the head.