Carburetor Standard Main Jet - 122-46 air-cleaners-and-hardware This system is perfect for

This system is perfect for the person looking for a moderately aggressive exterior and interior sound level with all of the performance benefits that you would expect from Flowmaster

Part Number: 524554

# of Passes Single Brand Frostbite Cooling Row Diameter 11/16" Core Dimension 20-1/4 x 22-7/8 Core Thickness 2

Fuel Line Kit For 65-66 Chevy Bel Air Biscayne Impala 3/8 Inch Tank to Pump Fuel Line Stainless

Carburetor Standard Main Jet - 122-46 air-cleaners-and-hardware This system is perfect forOverview: These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimeters per minute" and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main jets are flow tested and then stamped with the correct number. Click on Catalog Product Page for complete listing of jets and sizes. Features: Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 &