Amazon.com: TORCH F8RC Spark Plug Replace for NGK 5422/BR8ES, for DENSO W24SER-U, for CHAMPION RN3C, OE108 ; for BOSCH W250TR2/WR4CC; for ACDELCO R42XL, S42XLR, for MOTORCRAFT AGR1X, OEM : Automotive
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SparkPlugs.com: RN3C Champion 880 Spark Plug - Best Car Spark Plug Replacement
Amazon.com: TORCH F8RC Spark Plug Replace for NGK 5422/BR8ES, for DENSO W24SER-U, for CHAMPION RN3C, OE108 ; for BOSCH W250TR2/WR4CC; for ACDELCO R42XL, S42XLR, for MOTORCRAFT AGR1X, OEM : Automotive