Check the listing for details. Universal Motorcycle Fuel Vacuum Carburetor Synchronizer Set Kit For Harley. Condition: New. Listed at 51.99 USD. Fuel Vacuum Carburetor Synchronizer Set kit For Motorcycle Features: Each 3-1/2" gauge features 0-76cm/hg readings, shut off valve and all hardware is high brass finish for longer life,higher corrosion resistance and better flow accuracy. Air flow control is handled by needle and seat valves instead of knobs. This helps to resist the dial indicator "bounce" associated with many other lower quality gauges. Set comes complete with red mold storage case. This kit lets you synchronise the values of the 4 carburettors as well as adjust/set them. Condition: 100% Brand New Color: As Picture Showed High Class Quality And Very Durable Fitment: Universal Fit Package Included: - 4 pcs 3-1/2" synchronizer gauges with fixed plate (vacuum) - 4 rubber pipes 8x5x750mm - 4 Tubes of extension 3.9x52mm and 4 tubes 3.9x122mm - 8 Tubes of conical type connector 8x40mm - 4 Tubes 10x53mm ( M6x0.75) - 4 Tubes 10x60mm ( M6x1.0)