Duromax 500 / Rato R500-V PWK Carburetor Adapter

PWK style carburetor adapter for Rato R500-V \ Duromax 500 Gen2 cylinder heads. Custom carved on our Haas CNC mill from 6061 aluminum Exact fit to the stock intake port 40mm outside diameter with locking ring clicks into our 40mm reinforced silicon rubber boots O-ring seal on to the head so you don't need a gasket or sealant Includes stainless button head bolts, barbed fitting for pulse pumps, and a plug in case you don't use a pump.