810 by CHAMPION - Copper Plus™ Spark Plug - Small Engine
NGK Spark Plug - DPR7EA-9
Champion RA8HC - Alternative spark plugs
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Spark Plug Champion RA8HC | Merten Marine
Champion® 404 RN12YC Copper Spark Plug for V-Twins - Replacement for OEM# 5R6A on 1984-2000 Evolution and 1975-1980 Shovelhead (1200cc) Harley Motors - MADE IN USA - Billet Proof Designs
Champion RA8HC - Alternative spark plugs
4164 by AUTOLITE - Copper Resistor Spark Plug
810ECO by CHAMPION - Premium™ Spark Plug - Small Engine
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Spark Plug Cross Reference
Amazon.com: TORCH DK7RTC Spark Plug Replace for NGK DCPR7E Spark Plug, for BOSCH YR7DC+ Spark Plug, for CHAMPION 809/8809/OE083/RA6HC/RA8HC Spark Plug, for DENSO IXU22/VXU22/XU22EPR-U/XU22TT Spark Plug, OEM, ea : Automotive