The spark plug wire set also called high tension leads transfer high voltage pulses to ignite the air and fuel mixture for a combustion in the engine. High performance wires can withstand extreme heat and voltages therefore enabling the engine to run at its maximum potential power consistently without dropping performance for long periods of time.
Specification:

Condition: 100%Brand new and well packed
High Quality: Built to strict quality control standards, high quality replacement part
Package Contents: 6 * Spark Plug Wires
Compatible with: Ford Truck 6 Cylinder 250 300 4.9L