Holley Metering Block 134-9

Holley Metering Block 134-39Metering Plate - 0.073 Main in Hole - 0.029 in Idle Hole - Gasket Included - Aluminum - Natural - Holley 4160 Carburetors - Kit

Holley Primary Metering Block 134-128Metering Block - Gaskets Included - Aluminum - Chromate - Primary - Holley 4160 Carburetors - Kit

Holley Secondary Metering Block 134-131Metering Block - Gaskets Included - Aluminum - Chromate - Secondary - Holley 4160 Carburetors - Kit

Holley Carb Metering Block - for 0-80541-1 134-68Carb Metering Block - for 0-80541-1

Holley Metering Block Kit 34-13SMetering Block - Gaskets / Screws Included - Aluminum - Silver - Secondary - Holley 4160 Carburetors - Kit

Holley Metering Block Gaskets 108-55-2Carburetor Gaskets - Composite - Metering Blocks - Holley 4180 - Pair