Carburetor Standard Main Jet - 122-71 Pre-BentBrakeLine Rear Axle Lines For 55-56

Rear Axle Lines For 55-56 Ford Thunderbird 2 Set Stainless

Up to 140 HP and 250 lb-ft TQ

less power is consumed

and allow a future engine upgrade by changing the clamshell that attaches to the engine (when upgrading from LS to LT engine)

All Shorty Smog Headers bolt on quickly and easily to the factory exhaust system

Carburetor Standard Main Jet - 122-71 Pre-BentBrakeLine Rear Axle Lines For 55-56Overview: 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 &