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Autolite Copper Core Spark Plugs 3924

$2.99

Spark Plug, Copper Core, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

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Brand: Autolite
Manufacturer's Part Number: 3924
Part Type: Spark Plugs
Summit Racing Part Number: ATL-3924

UPC: 00009100039248
Shorty Spark Plug: No
Resistor: Yes
Manufacturer Heat Range: 4
Electrode Core Material: Copper
Electrode Tip Material: Copper
Insulator Type: Projected
Spark Plug Thread Size: 14mm
Spark Plug Reach: 0.750 in.
Spark Plug Seat Style: Gasket
Wrench Diameter: 5/8 in.
Ground Strap Quantity: One
Quantity: Sold individually.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

These Autolite copper core spark plugs feature a cold-formed steel shell with precision-rolled threads, a full copper core electrode to provide better performance, and a one-piece terminal post to add strength. Autolite copper core spark plugs use a copper-glass seal that bonds the insulator and terminal post center electrode together. This ensures full voltage at the spark gap and a 100 percent leakproof, gas-tight seal. Autolite features an extensive application guide to cover just about everything with an internal combustion engine. Keep your engine running smoothly and reliably, simply by switching to some new Autolite copper core spark plugs.

Most Helpful Reviews Review this Product

2 Customer Reviews for Autolite 3924 - Autolite Copper Core Spark Plugs

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5 Star

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4 Star

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exactly what I needed

Summit RacingSummit Racing Verified Purchase

Quality spark plug fit perfectly

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Reviewer: BRAD from CA

Date: July 23, 2014

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Autolite Copper core Spark Plugs 3924

Summit RacingSummit Racing Verified Purchase

Truck never ran so good! New wires, cap, plugs, and coil. I have had this truck for 170k miles and have done this same tune up many times with stock replacement parts and my check engine light kept coming on from cross fire. 225k on it and it runs amazing! My truck runs better in these plugs than the fancy price plugs.

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Reviewer: DOUG from CO

Date: March 06, 2014

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Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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