See more: Tappet Parts
Tappet screw , fit Knucklehead, Panhead and Shovelhead Big Twin 1936-1984, Tappet screws with 3/8" ball end and 9/32"-32 thread, set of four (OEM 18565-36 or screws only from 18555-36)
High quality replacement tappet screws and nuts. Straight replacement for the OEM parts.
