【Increase Momentum】This upgraded nylon coupler features torsional stiffness and great flexibility in power transmission. Allow small non-centring, absorb impact and reduce lateral load on the bearing
【Damage Reduction】Supercharger coupler connects front nose to the gears of the superchargers and reduce shock load that'll damage the teeth of supercharger gears
【When the Rattling Sound】Failed couplers make a rattling sound in superchargers at idling but diminish as you drive faster. If that happens, you should remove the worn coupler in time to prevent further damage of the internal parts of your supercharger