This is a set of ten replacement differential silicone O-rings for the Xray XB8R 1/8th scale off road buggy. Fits over 6mm shaft. 1.5mm thick. These O-Rings are used in the differential to seal the space around the output shaft and the differential housing. These will let you seal the differential so that you can use different silicone differential oils to tune the differential action.
This product was added to our catalog on October 5, 2006