Main Jet Hex Keihin - Upshift Racing
This is a replacemet main jet for Husqvarna/KTM OEM jet 54531623XXX.
45., 54531623155, 54531623158, 54531623160, 54531623162, 54531623165, 54531623168, 54531623170, 54531623172, 54531623175, 54531623178, 54531623180, 54531623182, 54531623185, 54531623188, 54531623190, 54531623192, 54531623195, 54531623198,54531623200.