Fuel Vacuum Carburetor Synchronizer Carb Sync 4 Gauge For Yamaha Xj Xs 1100 1200 Precision Workmanship Excellent Performance Essential Working Tools Tuning Process High-quality Carrying Case Various Application Set includes 4 extension tubes (3.9 x 52mm) and 4 tubes (3.9 x 122mm), 8 tubes with conical connector (8 x 40mm):,Set includes 4 tubes (10 x 53mm) (M6 x 0.75), 4 tubes (10 x 60mm) (M6 x 1.0):,Packing size: 50x30x15cm/20x12x6inch,Set includes 4 synchronizer gauges with fixed plate (vacuum), 4 rubber pipes (8x750mm):