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Trust Autolite for high-quality, performance-boosting spark plugs. Explore our product range, each engineered for specialized applications.

From platinum to copper and iridium spark plugs, Autolite offers OE quality and performance for all car makes and models.

That’s why Autolite ® offers Distributors that are engineered to provide proper voltage and spark, equipping your engine with the precision and reliability it needs to perform its best.

In 1935, Royce G. Martin of Electric Autolite Company envisioned a spark plug that not only ignited engines but also sparked imaginations. Teaming up with ceramic engineering expert …

Apr 3, 2024 · Understanding and choosing the correct heat range for your spark plugs is important for a healthy engine.

Gather needed tools and parts - a set of Autolite spark plugs, a ratchet, a spark plug socket (make sure you have the right size), extensions, a gapping tool, and dielectric grease.

Gather needed tools and parts - a set of Autolite spark plugs, a ratchet, a spark plug socket (make sure you have the right size), extensions, a gapping tool, and dielectric grease.

Designed with a cut-back ground electrode, anti-corrosive nickel plating, and large ground electrode for better heat transfer, Autolite ® racing spark plugs are the obvious choice for all …

Autolite ® Double Platinum spark plugs have a platinum-to-platinum design that decreases gap erosion, reduces misfires, and provides improved durability*, leading to longer service life.