Coyote 5.0 Ford GT Cobra Shelby Boss Spark Plug Tube Dust Covers 4.6 5.4 DOHC. Condition is New. Full set of silicone spark plug tube covers for all 8 cylinders. Keeps liquid, dust and debris from entering the spark plug tubs when in storage or changing plugs/coil packs. Great for use at the racetrack or on the dyno when tuning/servicing the engine. Will not fit 2V or 3V engines.