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1966 Mercury Comet - Spark Plugs

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  • Heat Range - 7

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Center Electrode Tip Material

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Autolite Platinum Spark Plug - AP46
Part #:
AP46
Line:
ATO
4 Year Limited Warranty
Seat:   Tapered
Thread Size:   M18
Heat Range:   7

Autolite Copper Core Spark Plug - 46
Part #:
46
Line:
ATO
2 Year LIMITED WARRANTY
Seat:   Tapered
Thread Size:   M18
Heat Range:   7