Mini-Z AWD Rear Knuckle Arm Holder for MR-03 MZA031R/+0.3 by GPM  [MZA031R/+0.3]

Precision rear arm holder for Mini-Z AWD

This aftermarket rear knuckle arm holder fits Kyosho Mini-Z AWD MR-03 AWD cars and is supplied as 1 pcs. Built from alloy, the item delivers a fixed +0.3mm toe-in to change rear toe geometry while keeping the stock steering blocks intact.

Tuning role: the holder is aimed at drivers wanting a small rear toe bias to stabilise corner exits and improve straight-line tracking on technical club tracks or carpet surfaces.

Installation advice: it replaces the original rear knuckle arm holder on compatible MR-03 AWD builds and uses the same mounting points and fasteners. Simple hand tools are sufficient; confirm clearances and that fasteners are secure before running.

Handling and maintenance: alloy rigidity gives firmer rear feedback compared with plastic parts. Periodically check mating surfaces and torque to avoid loosening during extended use.