Ceramic rear bearing, dimensions are 14mm x 25.4mm x 6mm
Fits the New NovaRossi P4
O.S. MAX VZ-B and VZ-B V-Spec off-road engines
OS Ninja
Ninja
Dynamite Pltinum 21XP
Go
Picco
Jammin
Trinity Drake
Novarossi first shipment Plus 4 and RB Concepts engines that require the special 25.4 mm rear bearings including the P5, 421B, BS-21SB and C5 engines.
Bearing have an offset race to provide better crankshaft support.

***IMPORTANT: Balls face the rear of the engine.***

The bearings have double the RPM capability over steel and reduce friction,rotating mass and vibration. Material specs 52100 bearing steel, poly cage, Cerbec balls grade 3.

Used and recommended by EB Mods, RB Mods, RECAB and Adam Drake, Team Losi.