We now have the orginal design "Ramp-lok" Exhaust manifold bolts available in most original sizes. Features correct head markings, original finish and factory lock washers. These are a concours replica true to original in every way. For 1960/1965 models, available manifold bolts with lock tabs are also available which can be upgraded to ramp-lok style. Both styles are available. Complete set in one package price. Made in the usa!