XRAY 13.9mm Steel Pivot Ball (2)

and designed to allow you to easily adjust your camber on popular pillow ball designs without having to fully unthread them. The tab feature helps you keep them in place as you ...

Steel Rear Axle, intended for use with the F1 Ultra 1/10 Pro Race Formula Chassis Kit. This one piece heavy duty steel diff axle is designed for maximum durability and adds extra rear ...

Balls are an optional upgrade for the standard steel pillow balls included with the RC8B3 and RC8B3e kits. Aluminum pillow balls reduce un-sprung mass in the front steering block assembly, resulting in ...

Adjustment Screw. This special screw is for external adjustment when using the ball-differential. Made from world-renowned HUDY Spring Steel. Suitable for XRA325002 Adjustable Ball Differential for 2.5mm pin. This product was added ...

Pulley with included Labyrinth Dust Covers, and is intended for use with the XRAY T1 and T2 Family of vehicles with ball differentials. The pulley features XRAY invented and patented "Labyrinth Dust ...