Kyosho UM731 RB6.6 Aluminium Hard Main Chassis A7075T6  [KY-UM731]

Kyosho UM731 - Aluminum Hard Main Chassis(A7075T6/RB6.6
Price:
AUD$120.94
Brand:
Kyosho
Model:
KY-UM731
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Durable A7075T6 Main Chassis for RB6.6

The Kyosho UM731 main chassis is made from A7075T6 aluminium to give RB6.6 cars a tougher, more stable platform. The enhanced rigidity helps reduce flex so handling remains sharp during competitive runs.

Material Advantages for Racing Use

A7075T6 is favoured for its high tensile strength and favourable weight profile, making it suitable where durability and nimble performance are both required. The alloy resists distortion in high-stress situations.

Designed Around RB6.6 Geometry

Produced to match the RB6.6 layout, this chassis accepts original mounts and component positions for a smooth swap. The precise cuttings support reliable alignment and straightforward installation.

Specifications

  • Material: A7075T6 Aluminum
  • Compatibility: RB6.6 Series
  • Category: Spare Parts, Legendary Series

Drivers looking for a robust, consistent base for tuning will find the Kyosho UM731 Aluminum Hard Main Chassis a worthwhile addition to their RB6.6 build.
Remark :
Due to limited stock availability, please notice that some Kyosho items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

Will this chassis change my car's centre of gravity?

There may be a small shift in centre of gravity depending on your setup, but the design aims to keep weight distribution close to stock for predictable handling.

Can the chassis be drilled or modified for custom electronics?

You can make careful modifications, but avoid weakening key structural areas; plan hole locations and use proper tooling to maintain strength.

How should I check for damage after a crash?

Inspect for visible bends, hairline cracks, or misaligned mounting points and replace the chassis if any deformation affects suspension geometry.

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