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1985 Pontiac Firebird - Spark Plugs

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  • Center Electrode Core Material - Nickel-Yttrium Alloy, Copper, Platinum
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Bosch Platinum Spark Plug - 6712
Part #:
6712
Line:
BOS
1 Year Limited Warranty
Metallurgy:   Platinum
Center Electrode Tip Material:   Platinum
Ground Electrode Tip Material:   Nickel

Bosch Platinum Spark Plug - 6722
Part #:
6722
Line:
BOS
1 Year Limited Warranty
Metallurgy:   Platinum
Center Electrode Tip Material:   Platinum
Ground Electrode Tip Material:   Nickel