Carbide Ball 2.4mm For Ball Differential (12) by XRAY
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This product was added to our catalog on March 5, 2007.This is a set of twelve optional carbide differential balls for the XRAY M18 1/18th scale touring car. These 2.4mm carbide balls for the ball differential are improved, for smoother differential operation over standard steel diff balls. These carbide balls are much harder than the differential washers (over 15HRc more hardened) to ensure the surface of the differential ball will always stay round. Set of 12 pieces is enough for one ball differential.