XRAY 301078-K X4 Glass Fiber Split Rear Upper Deck - Track Tuned  [XR-301078-K]

XRAY 301078-K - X4 Glass Fiber Upper Deck - Split Rear
Price:
AUD$33.10
Brand:
XRAY
Model:
XR-301078-K
Condition:
Brand New
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Track Tuned Glass Fiber Upper Deck for the X4

The XRAY 301078-K glass fiber upper deck is aimed at drivers seeking improved handling on low to medium traction circuits. Constructed from 1.5mm glass fiber, it introduces progressive flex to sharpen steering and traction where it counts.

Flex Adjustment Options

You can select between two flex orientations to change chassis behaviour:

  • Soft Setting: Use a single rear screw to permit greater flex, enhancing corner entry turn-in and front-end feel, while potentially making the car looser under heavy acceleration.
  • Stiff Setting: Secure both rear screws to reduce flex for stronger stability and consistent exits, though overall mid-corner steering will be slightly diminished.
Remark :
Due to limited stock availability, please notice that some XRAY 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.

Can I run this deck on different track surfaces?

This deck excels on low to medium grip carpet and asphalt. On high grip layouts the extra flex may make the car feel too lively, so consider a stiffer chassis setup.

Does the deck affect power-on behaviour?

Yes, the softer position increases rotation which can feel less stable under power; the stiff option helps keep the rear planted during acceleration.

Are there simple setup tips when fitting this part?

After fitting, recheck ride height and rear shock preload. Small changes to anti-roll bar and toe can help balance the increased front bite from the softer setting.

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