V-Twin Mfg. 18mm Spark Plug Conversion Kit For Harley FL EL UL WL 1936-1951

V-Twin Mfg. 18mm Spark Plug Conversion Kit For Harley Features: Spark plug conversion set features replica air cooled styling when used with standard D-16 inner plugs (sold separately) Conversion set is for 18mm spark plugs Order spark plugs separately WARNING: California's Proposition 65 - www.P65Warnings.ca.gov