Champion RN12YC Spark Plugs for Harley-Davidson Shovelhead and Evolution Mirrors Handlebars and Controls It is designed to use

It is designed to use your stock front frame section (uses your stock title/registration) which makes getting insurance/plates much easier than using a complete aftermarket frame

25in diameter carb openings

Will fit OEM or aftermarket fuel tanks with 22mm male threads

Timken Style tapered roller wheel bearings with races (pair)

They provide excellent vibration dampening with superior deflection resistance

Champion RN12YC Spark Plugs for Harley-Davidson Shovelhead and Evolution Mirrors Handlebars and Controls It is designed to useChampion RN12YC Spark Plugs for Harley Davidson Shovelhead and Big Twin Evolution Whether it's time for a tuneup or you're troubleshooting an acute ignition problem, these Champion spark plugs will restore lost ignition performance. Copper core Zinc plated shell for corrosion resistance Resistor for suppression of electromagnetic interference Sold as a pack of four