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Autolite Racing Spark Plug AR-103 (Sold Individually)
Built for wide open everything. The Autolite AR103 is a non-resistor, projected tip, copper-core spark plug made to handle high-RPM abuse and serious combustion pressure. Cold heat range means it stays cool when your engine’s doing hot laps.
This is what you run when you're running out of excuses. Add to cart and let the sparks handle the heavy lifting.
Spark Plug, Racing, Copper Core, Tapered Seat, 14mm Thread, 0.679 in. Reach, Each
Store Policies
We’re splitting the difference! In-stock items will be shipped right away, and we’ll send the rest as soon as they hit the shelves. If any backordered items are expected to take longer than 5 days, we’ll reach out to let you know what’s up and keep you in the loop.