The Redhorse Performance 8000 series hose ends are designed to connect to OEM hard lines without the use of an adapter. As always, the Redhorse Performance 8000 series hose ends are all hand polished, CNC machined and fully reusable for unrivaled looks, performance and versatility. Redhorse Performance 8000 Series Hose Ends are engineered for use with Redhorse Performance 200, 205, 230, and 235 series hoses. For high performance race applications, Redhorse recommends using the 205 and 235. For best assembly results use in conjunction with the Redhorse Performance Assembly Tool, Redhorse Performance AN Wrenches, Redhorse Performance Vise Jaws and Redhorse Performance Assembly Lube.