Upgraded 540 motor endbell bearings with 10X Double Ceramic coating & Si3N4 Balls . Double Ceramic (ceramic coated) 540 Motor Bearing (R2 ⅛ x ⅜ x 5/32)

Fits: ALL R1 WURKS V21/V16/V15 MOTORS

This item includes 3 titanium can screws and 3 titanium timing screws.