Carburetor Metering Block Secondary Conversion to Metering Block For 4160/4175 Proform Carburetor Float Bowl Accurately check spring height versus

Accurately check spring height versus spring pressure with our new heavy-duty bench top spring tester

Contains 4 of Each Size Air Bleed

41:1 gear reduction

Sold as a set of 3

Carburetor Metering Block Secondary Conversion to Metering Block For 4160/4175 Proform Carburetor Float Bowl Accurately check spring height versusFor single inlet vacuum secondary carburetors to replace the original metering plate with a billet metering block. Kit includes longer fuel bowl screws, longer transfer tube and all necessary gaskets, seals, etc. Sold as one kit. Product Details: Engine Carburetor Metering Block Secondary Conversion To Metering Block For 4160 And 4175 Single Inlet Holley Carburetors Replaces Metering Plate Made from Billet Aluminum Material Purple Anodized Finish