K & N\'s ATV Jet Kits are a premier carburetor recalibrationkit. Designed to fit the most popular ATV vehicles, the ATVJet Kits incorporate the latest technology in carburetor jetkit art, delivering a superior level of performance found onlyin expensive racing ATVs. The Jet kit will improve throttleresponse, yet maintain optimum fuel economy. You can feel thepower in the air! Each ATV Jet Kit contains all you need: Completerecalibration jet kit, including jets, needle, spring, shimsand detailed instructions.