Availability
Autolite racing spark plugs are the preferred choice for many professionals. They contain an Yttrium-enhanced alloy, which enables up to 8 percent reduction in side wire temperatures for improved durability and less pre-ignition. These replacement spark plugs are available in colder heat ranges than most plug manufacturers to support modified engines. They feature a cut background electrode, which improves ignitibility and faster flame kernel growth. Autolite racing spark plugs have a nickel plated finish for long life and corrosion resistance. They're available in a variety of styles, sizes, and other options--in universal or vehicle-specific applications.
( 142 )
$7.99
Autolite XS Xtreme Sport spark plugs are engineered to meet or exceed original equipment designs and withstand the extreme operating temperatures experienced in your powersports engine's combustion chamber. They were designed with iridium-enhanced, 0.6mm fine wire center electrodes for reduced fouling, improved ignitability, faster combustion, and more focused ignition compared to standard plugs. Autolite XS Xtreme Sport spark plugs also provide quicker starts and lower hydrocarbon emissions than standard plugs. They give you better fuel efficiency and more horsepower! Order the universal or vehicle-specific model recommended for your application.
Not Yet Reviewed
$6.99
Autolite copper core spark plugs feature a cold-formed steel shell with precision-rolled threads, a full copper core electrode for better performance, and a one-piece terminal post to add strength. The ignition plugs use a copper-glass seal that bonds the insulator and terminal post center electrode together. This ensures full voltage at the spark gap and a 100 percent leak-proof, gas-tight seal. Autolite features an extensive application guide to cover just about everything with an internal combustion engine. Keep your engine running smoothly and reliably with Autolite replacement copper core spark plugs.
( 238 )
$3.99
—
$5.99
Modal Header
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
