A new Harley primary gasket keeps dust and water out of your V-twin engine so it runs cleaner. J&P has your Harley-Davidson primary gasket kit for the proper fitment, plus all the Harley primary hardware for your primary gasket set. You can trust our gaskets from top manufacturers like Genuine James, Twin Power, Cometic, J&P Cycles, and JIMS. While you’re shopping for gaskets, be sure to check out our Harley primary covers.