Champion RA8HC Spark Plug 810

Name: Champion RA8HC Spark Plug 810
Brand: Champion Spark Plugs
SKU: CHA-RA8HC
Price: 2.99 USD
Availability: InStock

Champion RA8HC Spark Plug 810

SKU:CHA-RA8HC

Brand Champion Spark Plugs Part No. RA8HC UPC 037551000548

$2.99 USD

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150 in stock

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The Champion RA8HC, stock number 810, is a 12mm marine plug with a long 3/4 in reach. Watch the thread size on this one: most of the Champion marine range is 14mm, and a 12mm plug is not something you discover is wrong after you have started threading it into an aluminum head.

12mm thread, 5/8 in hex, 3/4 in reach, gasket seat.
Removable nut terminal, so it works with either threaded-stud or terminal-nut boots.
Gap: 0.024 in (0.6mm).
SAC-9 semiconductor resistor for EMI and RFI suppression.
Copper core center electrode, 2.0mm, for conductivity and heat control under load.
Interchanges with Mercury 883323001.

Check the engine manual before fitting. The RA8HC is documented in the Champion catalog against small and mid-range outboards, but heat range and reach are engine specific and the wrong reach can put the electrode into the piston.