You are buying the oil pressure gauge ADAPTER for an SOHC 1969-1978 cb750 Honda. This billet aluminum oil galley adapter is Made In The USA and comes with the o-ring. The female threads are oversized 1/8" NPT to accommodate chrome plated fittings and the male threads are M20-1.5 (may also fit other applications). This is perfect if you already have the gauge and other fittings or if you want to mount your gauge in a custom location.  Please check out my other eBay listings for more oil pressure gauge kit options.  Shipping in the continental USA is FREE. International shipping is through ebay international shipping service. This will not fit CB750A Hondamatics. 

Chopper bobber cafe racer brat cb750nut cb750k cb750F cb 750