Ford Performance Parts M-12405-M50 Spark Plug

Spark PlugSpark Plug; For Use w/Supercharged Applications; 1 Heat Range Colder; [Available While Supplies Last];SPECIFICATIONS:WARNING CA Proposition 65: No FEATURES: One Heat Range Colder Than Stock 0.035 Plug Gas For Supercharged Applications Recommended Sold in Sets of 8 Designed for use in engines with higher-than-stock cylinder combustion pressures, these Ford Racing modular 3-valve zero degree spark plugs are prefect for your Ford. Their unique design is proprietary to Ford 3-valve engines and they are only available from Ford Racing. The Ford Racing modular 3-valve zero degree spark plugs are one heat range colder than the OEM Ford Mustang GT, and two heat ranges colder that the stock 5.4L truck engines. Keep your engine firing on all eight cylinders with a set of these Ford Racing modular 3-valve zero degree spark plugs.Winning race cars and performance parts, from the company that brought you Blue Bloods like the BOSS 302 and Cobra Jet Mustangs. With a heritage of champions,