B1 Hinge Pin Holder for PRO-MT 4x4 and PRO-Fusion SC 4x4 (PRO400528)

The B1 Hinge Pin Holder is a replacement hinge-pin mount for PRO-MT 4x4 and PRO-Fusion SC 4x4 chassis, designed to restore secure hinge action when the original B1 component wears or fails.

This replacement includes the B1 mount and is crafted from gun metal anodized aluminum for durability. As a direct-fit part, it reproduces the original mounting interface for PRO-MT 4x4 and PRO-Fusion SC 4x4, helping keep hinge pins secure and alignment precise.