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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!
Showing In Stock Items. Show All 69 Items.
Spark Plug, Copper, 14mm Thread, 0.750 in. Reach, Gasket Seat, 5/8 in. Wrench Size, Each
Part Number: ATL-3924
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Tapered Seat, 14mm Thread, .460 in. Reach, Partial Projected, Resistor, Each
Part Number: ATL-25
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each
Part Number: ATL-3923
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.375 in, Reach, Each
Part Number: ATL-85
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Resistor, 14mm x 1.25, Tapered Seat, 0.431 in, Reach, Each
Part Number: ATL-26
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each
Part Number: ATL-3922
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Racing, Copper Core, Tapered Seat, 14mm Thread, 0.431 in. Reach, Each
Part Number: ATL-AR25
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Iridium XP Enhanced Alloy, Resistor, 14mm x 1.25, Tapered Seat, 0.750 in, Reach, Each
Part Number: ATL-XP3924
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Racing, Copper Core, Gasket Seat, 14mm Thread, 0.930 in. Reach, Each
Part Number: ATL-AR3910X
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Iridium XP Enhanced Alloy, Resistor, 14mm x 1.25, Tapered Seat, 0.750 in, Reach, Each
Part Number: ATL-XP985
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each
Part Number: ATL-65
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Iridium XP Enhanced Alloy, Resistor, 14mm x 1.25, Tapered Seat, 1.05 in, Reach, Each
Part Number: ATL-XP5325
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, XP Xtreme Performance, Copper Core, Tapered Seat, 14mm Thread, 0.460 in. Reach, Resistor, Each
Part Number: ATL-XP25
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Resistor, 14mm x 1.25, Tapered Seat, 0.372 in, Reach, Each
Part Number: ATL-86
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Gasket Seat, 14mm Thread, .437 in. Reach, Non-Projected Tip, Non-Resistor, Each
Part Number: ATL-216
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Gasket Seat, 14mm Thread, 0.375 in. Reach, Resistor, Each
Part Number: ATL-303
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Racing, Copper Core, Gasket Seat, 1 in. Reach, Each
Part Number: ATL-AR5324
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Single Platinum, Platinum, 14mm Thread, 0.374 in. Reach, Gasket Seat, 13/16 in. Wrench Size, Each
Part Number: ATL-AP85
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each
Part Number: ATL-66
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Gasket Seat, 14mm Thread, .375 in. Reach, Partial Projected Tip, Non-Resistor, Each
Part Number: ATL-295
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each
Part Number: ATL-103
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each
Part Number: ATL-985
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Racing, Copper Core, Tapered Seat, 14mm Thread, 0.679 in. Reach, Each
Part Number: ATL-AR764
Not Yet Reviewed
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. Reach, Resistor, Each
Part Number: ATL-403
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
Spark Plug, Copper Core, Resistor, Tapered Seat Style, 18mm Thread, 0.460 in. Reach, Dodge, Ford, Each
Part Number: ATL-124
Estimated Ship Date: Monday 11/24/2025
Estimated Ship Date: Monday 11/24/2025
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