Mugen MRX5 Arrowmax AM-MRX5-H0289 2nd Gear Housing Lightweight  [AM-MRX5-H0289]

Arrowmax AM-MRX5-H0289 Housing For 2nd. Gear (7075-T6)
Price:
£8.06
Brand:
Arrowmax
Model:
AM-MRX5-H0289
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Precision Aluminium 2nd Gear Housing for Mugen MRX5

Fit the Arrowmax AM-MRX5-H0289 to your Mugen MRX5 for a precision 2nd gear housing manufactured from 7075-T6 aluminium. The component reduces flex around the gearbox and helps maintain accurate gear geometry under load.

Robust Construction for Racing Use

This housing is engineered to cope with the stresses of competitive driving. Its 7075-T6 aluminium body gives improved stiffness and wear resistance, while tight machining tolerances promote reliable drivetrain behaviour.

Practical Upgrade from Arrowmax

Arrowmax focuses on improvements that translate to better on-track consistency. This housing is a compact, weight-conscious way to strengthen the transmission area without adding unnecessary bulk.

Yes, it is designed as a direct upgrade for the MRX5 second gear housing, but always check alignment and bearing seating during installation.
A stiffer housing can reduce unwanted flex and may result in a firmer, more consistent gear engagement; noise can vary depending on mesh and lubrication.
7075-T6 benefits from anodising for extra surface protection. Keep moisture and contaminant exposure low and perform routine cleaning for best longevity.
Inspect the housing during regular gearbox servicing, typically every few race days or after heavy impacts, and check fasteners and bearing fit each time.
In most cases yes, but confirm that any aftermarket parts maintain the same bearing and shaft positions to ensure correct mesh and function.

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