Kits are designed to help dealers by making it easier for them to service S&S productsJet kit 1003-0015 contains three each of all intermediate jets and five each of all main jets, plus a main jet toolCarburetor parts kit PART #1003-0016 contains replacement parts for S&S Super E and G carbsDealer stocking parts kit PART #1050-0024 contains kits PART #s 1003-0015 and 1003-0016, plus a miscellaneous parts kit containing the most commonly needed gaskets and parts to service S&S oil pumps, as well as top-end gaskets for S&S engines of various bore sizesCome in durable hinged vinyl divider boxes that have labels on the inside cover for easy location, identification and reordering of partsMade in the U.S.A.