Autolite Xtream Start XST3924DP Spark Plug

List Price: $5.95

Our Price: $1.99

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Iridium center electrode lasts longer

Maintains optimal performance longer

Up to 26% quicker starts than standard spark plugs

Up to 21% less HC emission than a standard spark plug

Better fuel efficiency & horsepower due to lower HC emissions

Replaces Champion RC12YC, NGK BCPR6ES & FR5

OEM Replacement This part is aftermarket equipment designed to replace the original manufacturer's part numbers specified here. It is manufactured using high-quality materials, to the same specifications as the original part.	Champion RC12YC, NGK BCPR6ES, NGK FR5