| Brand | Ultimate Racing |
|---|
Check the listing for details. RC Engine Ceramic Ball Bearings - Ultimate Racing M3R, M3S, M3T, M3X. Condition: New. Listed at 29.99 USD. Ultimate Racing M3R, M3S, M3T, M3X. Ceramic Engine Bearings are a Great Performance Upgrade! Improves driveline efficiency, acceleration, mileage, weight, unsprung weight, and more! Ceramic Ball Bearings are up to 40% lighter than Standard Ball Bearings.