Autolite Spark Plug - #4302 4302

Stage 1: stock engine/filters, stock/modified pipes; about a 5% power increaseStage 2: stock/mild modified engine, stock/modified pipes, stock/modified filters; about an 8% power increaseStage 3:...

Designed for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the U.S.A.

Designed for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the U.S.A.

Improves your bike's front-end stability and handlingWorks at all speeds; you'll instantly notice how the bike's rear end tracks straighterAluminum alloy link lowers bike's rear end 5/8" - 1-1/2" on...