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Autolite was founded in 1911 and has been delivering reliable spark to motor vehicles since 1935. The company developed many of today’s spark plug materials and...
Autolite was founded in 1911 and has been delivering reliable spark to motor vehicles since 1935. The company developed many of today’s spark plug materials and continues to be a leader in spark plug innovation. Autolite spark plugs help power everything from fuel-efficient daily drivers to high performance race machines. Energize your ride with proven Autolite spark plugs, including copper-core racing spark plugs, long-lasting double platinum spark plugs, and iridium-enhanced XP Xtreme Performance plugs. Shop Summit Racing for a full line of Autolite spark plugs now!
Autolite was founded in 1911 and has been delivering reliable spark to motor vehicles since 1935. The company developed many of today’s spark plug materials and continues to be a leader in spark plug innovation. Autolite spark plugs help power everything from fuel-efficient daily drivers to high performance race machines. Energize your ride with proven Autolite spark plugs, including copper-core racing spark plugs, long-lasting double platinum spark plugs, and iridium-enhanced XP Xtreme Performance plugs. Shop Summit Racing for a full line of Autolite spark plugs now!
Spark Plug, XS Xtreme Sport, Iridium, 12mm Thread, 0.750 in. Reach, Gasket Seat, 11/16 in. Wrench Size, Each
Part Number: ATL-XS4163
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Spark Plug, Copper Core, Gasket Seat, 10mm Thread, 0.750 in. Reach, Resistor, Each
Part Number: ATL-4303
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Spark Plug, XP Xtreme Performance, Iridium, 10mm Thread, 0.750 in. Reach, Flat Seat, 16mm Wrench Size, Each
Part Number: ATL-XS4303
Not Yet Reviewed
Estimated Ship Date: Aug 21, 2025 if ordered today
Estimated Ship Date: Aug 21, 2025 if ordered today
Spark Plug, Copper Core, Gasket Seat, 12mm Thread, Each
Part Number: ATL-4163
Estimated Ship Date: Aug 19, 2025 if ordered today
Estimated Ship Date: Aug 19, 2025 if ordered today
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