4A-G Big Port to Small Port Adapter

JPR's Big Port to Small Port Adapter made from 6061 Billet Alloy CNC Machined. To use Big Port's Intake Manifold (Blue Top) on Small Port Heads (Red Top) This Kit includes: 1ea Adapter This Kit DON'T includes: Gasket This kit does not comes with instructions.Please remember that this kit is not meant for on-road use and by purchasing, buyer assumes responsibility for usage and installation.