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1991 Geo Tracker - Spark Plugs

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Autolite Double Platinum Spark Plug - APP64

Part #:: APP64
Line:: ATO

5 Year Limited Warranty

Seat: Gasket

Thread Size: M14-1.25

Heat Range: 9

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ACDelco Professional Platinum Spark Plug - 41-802

Part #:: 41-802
Line:: ACD

100,000 Mile Limited Warranty

Seat: Gasket

Thread Size: M14

Heat Range: 12

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Champion Double Platinum Power Plug Number RN14PYP Spark Plug - 7322

Part #:: 7322
Line:: CHP

5 Year Limited Warranty

Seat: Gasket

Thread Size: M14

Heat Range: 14