Champion
439
Champion RC12MCC4 (439) Copper Plus Replacement Spark Plug, (Pack of 1)
EAN: 0037551008032
UPC: 804314079529
Spark Plugs
Copper Core Center Electrode: Allows for accurate control of heat range for longer life
Maximum Corrosion Resistance: Thanks to a Patented UltrasealTM coated shell
Dependable and Durable: Built to ISO and SAE standards for proven performance
Maximum EMI & RFI Suppression: Patented SAC-9 semi-conductor resistor for ultimate suppression
Compatible with the Following Applications: Automotive, Powersport
Champion Double Platinum Power spark plugs deliver more powerful performance. Featuring exclusive Heat-Active alloy, a platinum fine wire center electrode and a platinum pad ground electrode, spark plugs reach optimal temperatures quickly and maintain stable operating temperature under all engine loads, while providing maximum life and sharper spark focus.
Step-by-Step Instructions for Installing New Spark Plugs
Step 1
If necessary, set the gap on the new spark plug before installing it. In the past, it was necessary to use a gapping tool to make sure the gap in the spark plugs was the correct size. Today, Champion spark plugs come pre gapped, eliminating the need for this step most times. You should double check that the gap is correctly set; check your owner’s manual to find the distance for the spark plug gap and use a gap gauge or feeler gauge to check the distance.
Step 2
Seat the new spark plug by hand; turning it clockwise at least two full turns. Once you have the spark plug snug, use the socket wrench with extension and spark plug socket to tighten it turning the plug clockwise. The plug’s washer should be pressed against the mounting surface.
Take care not to over tighten the plug; you can strip the thread on the head of the engine leading to costly repairs. You can also use a torque wrench to torque it to specification (OE service or repair manual).
Step 3
Replace the spark plug wire boot or ignition coil and wiring connector. A plastic boot should click into place while a rubber boot may require a coat of dielectric grease on the inside of the boot for easy removal next time.
Step 4
Repeat the removal and installation process for each spark plug. That’s all there is to it! If at any point you run into issues or have a question, consult your mechanic.
These instructions are for informational purposes only and should not be used in lieu of seeking professional advice from a certified technician. We encourage you to consult with a certified technician if you have specific questions or concerns relating to any of the topics covered herein.
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