The Subaru / Robin 22K-62314-90 Carburetor CP W/Ball Stud EH99 helps provide the proper fuel and air mixture needed for reliable engine operation. Designed as a replacement carburetor assembly, it mixes fuel with incoming air and delivers the mixture to the engine for combustion. The included ball stud supports the proper connection of compatible components within the carburetor syste... https://www.wholetoolbox.com/subaru-robin-22k-62314-90-carburetor-cp-w-ball-stud-eh99/22K-62314-90.html