S&S Flathead Power Tappet Set For One Engine +0.005 Inch For 1936-1947 Knucklehead Models (Sold as a Set) (106-1820)
Overview of the product Solid lifter tappets, fits OEM OHV and SV engines. Also stock replacement for S&S KN-series (Knucklehead) engines. Will fit the S&S UL Flathead Big Twin 80\\




