BLP Billet Metering Block Adjustable Emulsion

In the 1980's BLP was the first to introduce a fully machined billet metering block for Holley® carburetors. Since that time BLP has expanded the unassembled or assembled billet aluminum metering blocks for both gas and alcohol application. Metering blocks can be custom built with your specifications or purchased bare for the professional carburetor builder. Features are: • Available in the following anodized finishes: purple, gray, black • All fuel circuits are adjustable including power valve channel • Power valve channels are lowered • Custom logo engraving available Gasoline Billet Metering Blocks
5124 Series 2 circuit with standard 1/4 x 32 Holley® jet thread. 5170 Series 3 circuit that incorporates an idle tube in the main well. Uses standard 1/4 x 32 Holley® jet thread. 5120 Series 3 circuit .850 thick that features an isolated idle circuit, which does not use an idle feed tube in the main well. All of the third circuit passages are fully adjustable. Uses standard 1/4 x 32 Holley® jet thread. BLP 5315 bowl screws and 5205B-850 pump levers are required for these blocks.