Autolite Racing Spark Plug AR-13 (Sold Individualy)

Cold, clean, and built for rowdy. The Autolite AR13 is a non-resistor, short-reach, copper-core plug made for engines that don’t back down—big compression, fat cams, nitrous, boost, or all of the above. Heat range? Ice cold. Spark delivery? All gas, no drama.

When you're turning high RPM and chasing low ETs, this plug shows up. Add to cart and feed the fire.

Spark Plug, Racing, Copper Core, Tapered Seat, 14mm Thread, 0.433 in. Reach, Each