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Autolite Spark Plugs

The Autolite 103 plugs are the ZZP team's preferred plug. They need to be changed out more often then the NGKs but performance and KR reduction is excellent. The racing version of the 103's has a back cut electrode and they feature nickle plating.

    • Mixture of nickel and copper-glass seal that bonds the insulator, terminal post and center electrode together, assuring full voltage
    • Chromium-nickel alloy ground electrode resists gap erosion
    • Copper-core center electrode sheathed in high chromium-nickel alloy for superior heat dissipation and durability
    • Longer insulator nose provides a longer path to control fouling deposits

*Sold in sets of 8