Autolite Autolite HT15 Platinum High Thread Spark Plug, Pack of 1

Autolite High Thread Spark Plugs feature a unique, patented, OE design that results in more durability and greater power from a more compressive seal, improved heat transfer, and more focused ignition power. Since its inception, the Autolite brand has provided the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products. About this item OPTIMAL PERFORMANCE: You'll get more durability, greater power, improved heat transfer and more focused ignition power thanks to a unique, patented design that forms a more comprehensive seal of the Autolite High Thread Spark Plugs. EASY INSTALLATION: This automotive replacement spark plugs are easy to install because pre-gapped plugs do not require pre-adjustment. They have a better heat transfer than a standard J-gap design. CONSTRUCTION: Autolite High Thread Spark Plugs includes a finewire design for more focused ignition power and longer service life. The space-saving benefits of a 10mm spark plug with the durability of a 14mm plug. IMPROVED DURABILITY: High Strength Shell to avoid breakage issues, thread positioned above cylinder head seating for a more compressive seal. Autolite High Thread Spark Plugs have a robust ceramic tip reduces the chance of dielectric punctures and a nickel-plated shell Designed specifically for Ford 4.6L, 5.4L and 6.8L 3-valve engines See more product details