GPM made ARRMA NERO 6S BLX Monster Truck Aluminum + Delrin CollaFor Man021 10pc set (MAN021\/ADC)
1. This alloy + delrin collars specifically made for the ARRMA-1/8 NERO 6S BLX AR106011/AR106009 and 1/8 FAZON 6S BLX AR2. This stabilizes the front or back knuckle supply, giving a much higher performance with faster effect times