Single Valve Guides | Big Twin Flatheads Cast iron, honed valve guides for 74" and 80" Harley Flathead motors
Cast iron, honed valve guides | 74" and 80" Harley Flathead motors. The oversize guides are measured in thousands of an inch oversize.
These are the only valve guides we use in our motors.
The O.D. of these guides is ground between centers for concentricity.
MADE IN THE USA