XRAY 364903 - Large Volume Gear Differential Set for XB4  [XR-364903]

XRAY 364903 - Gear Differential - Large Volume - Set
Price:
CAD$108.01
Brand:
XRAY
Model:
XR-364903
Condition:
Brand New
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Precision Differential Built for Consistent Handling

The XRAY 364903 Large Volume Gear Differential Set for the XB4 platform is engineered to improve on-track balance and response. Its split crown gear shifts the rotating mass toward the centreline, helping the car track truer and deliver steadier cornering under load. The larger internal oil volume keeps the diff working consistently lap after lap, making it a practical choice for racers dialing in handling.

Durable Graphite Composite Housing

The composite case and cover are precision molded from XRAY's graphite composite, selected for its wear resistance and smooth operation. Internal satellite gears are integrated to minimise friction and provide dependable performance with minimal upkeep.

XB4-Focused Fitment and Drive Pins

This gear differential is developed specifically for the XB4 2020 Specs, ensuring straightforward installation. The updated diff-outdrives accept a 2.5mm pin for reliable coupling and easy assembly on standard XB4 builds.

Specifications

  • Material: Graphite Composite
  • Compatibility: XB4 2020 Specs
  • Pin Size: 2.5mm
  • Design: Split Crown Gear

For hobbyists seeking tighter, more predictable handling from their XB4, this XRAY 364903 diff set offers a robust upgrade that balances durability with refined drivetrain feel.
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.

How hard is this diff to install on an XB4 2020 spec car?

Installation follows the standard XB4 diff procedure. If you are familiar with replacing the centre diff, the XRAY 364903 fits into the same layout and uses the 2.5mm pin interface for the outdrives.

Will the larger oil volume change my handling a lot?

A bigger internal oil chamber smooths diff action and can reduce sudden lock-up tendencies. Expect a more consistent behaviour across laps rather than a dramatic change in baseline feel.

Do I need special tools to service the graphite composite case?

No special tools are required. Basic diff tools and a set of hex drivers are sufficient for disassembly and maintenance of the XRAY graphite composite case.

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