1000cc Steel Intake Valve - V-Twin 11-0665 - OEM 18070-70R - Ironhead 1970-1985

OEM #: 18070-70R

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.

Fitment: