Item No.: B17B025
.The kit let you synchronise the values of the 4 carburettors as adjust/set them  
.4 PCS 3-1/2'' synchronizer gauges with fixed plate.  
.4 PCS Rubber hose 8×5×750mm  
.4 PCS Extension tube 3.9×52mm  
.4 PCS Extension tube 3.9×122mm  
.8 PCS Cone type connector 8×40mm  
.4 PCS 10×53mm(M6×0.75)  
.4 PCS 10×60mm(M6×1.0)