BikeMaster 29-03J CARB SYNCHRONIZING KIT BM
Works with 2, 3 or 4 cylinder motorsGauges are calibrated 0-30in. for vacuum and 0-9 psi on the pressure side2 1/2in. gauge fitted with a damping valve to even out the pulses for easy readingComes with 4 gauges, hoses, adapters, mounting plate and a durable carrying case