This scale rear lower suspension mount is produced for ARRMA chassis and is CNC machined from 7075-T6 aluminum with brass inserts where the hinge pins seat to improve fit and longevity. It is targeted at the rear gearbox area to reduce lower-arm pivot flex and help keep alignment under aggressive driving.
The component replaces the factory part number AR330379 and ships with the hardware listed below. The aluminium body offers higher wear resistance versus stamped factory pieces, while the brass inserts act as local bearing points for the hinge pins, reducing free play without compromising toughness.
Installation guidance: fits the rear lower suspension location on compatible ARRMA 1/8 and selected 1/7 6S models. Fit with the supplied grade 12.9 black flat head screws and confirm arm alignment and hinge-pin retention after assembly. This is a chassis-level tuning component intended to stabilise the suspension rather than change its geometry.
For hobbyists updating ARRMA 6S vehicles, this GPM rear lower suspension mount is a direct aluminium replacement that reduces hinge-pin play and stabilises the rear lower arm under load; fit using the supplied screws and check alignment after installation.
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