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Auto lite spark plug #86
Auto lite spark plug #86

Auto lite spark plug #86

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Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

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    One-piece terminal post adds strength
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    Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
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    Resistor reduces radio frequency interference (RFI) and electrode erosion
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    Multi-rib insulator reduces danger of "flash-over
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    Cold-formed steel shell precision rolled threads
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    Full Copper Core electrode provides better performance in all conditions