517846 29-73 solid tappet assembly. +.010"

Restoring the valvetrain on a classic Flathead requires high-quality components that fit perfectly. This solid tappet assembly is an OEM-style reproduction lifter that comes complete with the roller. It is designed for use in 1929 to 1973 45-inch Flatheads, 1936 to 1948 74 and 80-inch Flatheads, and 1952 to 1956 K and KH Flathead models. This version is oversized by .010 inches, providing a solution for engines with worn tappet bores that require machining. Identified by part number 517846, this MCS part allows you to maintain tight tolerances in your vintage engine, ensuring reliable operation and proper valve timing for years to come.