HVH 1" Street Sweeper Aluminum Carburetor Spacer - 4150 Series - Fits Performer RPM, BRODIX Hv1016, Dart Kool Can, RPM Air Gap Manifolds Oil Pan Bolt Kit Side B is AN-10 hose

Side B is AN-10 hose end

Aramid Fabric / Nomex

Wide Angle

1966-1968 Mercury Cyclone Base CID 289 Naturally Aspirated GAS

HVH 1" Street Sweeper Aluminum Carburetor Spacer - 4150 Series - Fits Performer RPM, BRODIX Hv1016, Dart Kool Can, RPM Air Gap Manifolds Oil Pan Bolt Kit Side B is AN-10 hoseFour hole 1" tall "Street Sweeper" carb spacers fit between carburetor and intake manifold to increase throttle response and insulate the carb. High Velocity Heads has been porting high performance cylinder heads and intake manifolds since 1970. HVH has over thirty years of head porting, head design, intake porting and intake design along with carburetor spacer design experience. HVH Super Sucker carburetor spacers are the most effective carburetor