Willy's HP Carburetor - Gasoline - For 406-430 C.I. 31015BL See 146000B for Upper Shell

See 146000B for Upper Shell and 146001 for the lower shell

Will accept various styles of 1/2" wide feeler guages depending on your application

Camber Adjustment

Manifold Pressure Relief

Willy's HP Carburetor - Gasoline - For 406-430 C.I. 31015BL See 146000B for Upper ShellBased on the new Holley HP main body casting, the 4BBL HP features externally adjustable metering blocks, custom sized venturi for different cubic inch engines, screw in air bleeds, gloss black powder coating, and an 850 CFM baseplate with stainless steel butterflies. Models for larger cubic inch engines available on a special order basis. The HP carburetors is popular on late models. Established in 1985, Willy's Carburetor manufactures high