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1991 Geo Tracker - Spark Plugs

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  • Metallurgy - Iridium/Platinum

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Autolite Iridium XP Spark Plug - XP64
Part #:
XP64
Line:
ATO
Limited Lifetime Warranty
Seat:   Gasket
Thread Size:   M14-1.25
Heat Range:   9

Denso Iridium TT Spark Plug - 4708
Part #:
4708
Line:
DEN
1 Year Limited Warranty
Seat:   Gasket
Thread Size:   M14
Heat Range:   16