Mugen MRX-5 Rear Upper Arm Holder A by Arrowmax AM-MRX5-H2113  [AM-MRX5-H2113]

Rear upper arm holder crafted for MRX-5

The Arrowmax AM-MRX5-H2113 rear upper arm holder is intended for the Mugen MRX-5 chassis and acts as the mounting point for the rear upper suspension arm. Its placement has a direct impact on rear suspension geometry and how linkages align under load.

Installation follows standard MRX-5 service procedures: remove the existing holder, inspect the mating faces and screw sizes on your MRX-5, and normally reuse the original fasteners unless your chassis documentation calls for alternatives. After fitting, check symmetry across the axle and confirm the suspension and drivetrain move freely before final tightening.

In tuning practice this part determines the upper arm pivot and therefore influences roll centre and camber change. Switching holder variants or moving the mount will change rear-end behaviour, so make measured adjustments and evaluate handling on familiar surfaces.