Baron Custom Accessories Pilot Mixture Adjustment Screw BA-2150-30 Make adjusting your pilot jets air/fuel mixture a breeze with this unique fingerturn pilot jet mixture screw Allows you to easily adjust air-fuel ratio for weather and altitude Enhances fuel efficiency while improving cold start-up and low end performance Do away with tiny screwdrivers and crawling around on your knees with this easy-to-operate part Sold each, two required Installation requires removal of mixture plug if your stock mixture screw has not been uncovered