Parkerized reproduction of OEM# 37357-41 screw and 37361-41 locknut used on 1941-Early 1984 Big Twins

washers and nuts used to mount footboards on 1936-1954 Harley-Davidson Big Twins

These thread-in / screw-in style gas caps are vented and are black

knurling to ensure proper clamping

It is jetted for vintage Triumph TR6 650cc and TR7 750cc Tiger motorcycles

Engine Case Bore Plug Set - Harley-Davidson Evolution/Shovelhead/Sportster Length_14MM Parkerized reproduction of OEM# 37357-41Quit using shop towels to cover up case bore openings. This set of magnetic case plugs (4 pieces) will keep foreign material out of your bottom end. This material can cause major damage, and using a shop rag can inadvertently introduce these contaminants. Step up your engine building game! Made in the USA.