MUGEN MRX-5 Rear Shock Mount Upgrade by Arrowmax AM-MRX5-H2502  [AM-MRX5-H2502]

MRX-5 rear damper mounting plate

The Arrowmax AM-MRX5-H2502 rear damper stay is an aftermarket replacement designed for use with the MUGEN MRX-5 chassis. It forms the mounting point for the rear dampers and has a direct effect on shock geometry and linkage behaviour during cornering and traction tuning.

Fitting the unit is simple for builders who know MRX-5 maintenance: remove the original stay, move any reusable hardware across, and secure the Arrowmax component into the existing mounting locations. Once fitted, verify that the rear wheels track true and complete a couple of short laps to confirm damping feels as expected.

Tune tip: changing the damper stay alters shock leverage and can modify roll and rear grip. Tweak settings in small increments and keep a log of each change to track how traction and balance evolve across runs.