For hobbyists looking to refine handling, the XRAY 343041 Graphite Rear Upper Arm Holder is a key rear suspension part. Machined from 3.5mm graphite, this holder balances strength with controlled flex to help stabilise the car through corners and at speed.
Graphite is popular because it is lightweight and durable while allowing a predictable amount of flex. The XRAY 343041 uses these traits to improve tyre contact and response, helping drivers achieve cleaner transitions and more consistent lap times.
This rear upper arm holder installs without major chassis changes and suits a range of rear suspension setups. Its straightforward fitment makes it a practical upgrade for racers and weekend drivers who want tuning gains without a complicated rebuild.
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