Yokomo MS-503GHA Aluminum Gear Differential Case 38T Pulley Race Upgrade  [MS-503GHA]

Price:
CAD$92.88
Brand:
Yokomo
Model:
MS-503GHA
GTIN:
639342226696
Condition:
Brand New
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Stiffer control with the Yokomo MS-503GHA aluminium case

The Yokomo MS-503GHA Aluminum Gear Differential Case replaces standard resin housings to deliver better heat dispersion and steadier operation. Its design helps reduce the effects of oil thinning at higher track temperatures, making lap times more predictable for competitive racers.

Tight fit and efficient drive delivery

Machined from high grade aluminum, the case improves alignment and helps the drivetrain run more smoothly. The pulley remains resin to retain original compatibility while the aluminium shell boosts precision over stock parts.

Specifications

  • Material: Aluminum Case, Resin Pulley
  • Tooth Count: 38T
  • Compatibility: MSR-010, MSR-010A

A solid choice for hobbyists and race teams who want improved thermal control and handling consistency under demanding conditions.
Remark :
Due to limited stock availability, please notice that some Yokomo 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 does the aluminium case affect differential heat?

The aluminium case transfers heat away from the differential more effectively than resin, so the internal oil stays closer to optimal viscosity for longer during long runs.

Will the resin pulley limit performance?

The resin pulley maintains correct meshing and weight characteristics while the aluminium case improves overall stability, so you get a balance of durability and precision.

Is installation difficult on MSR chassis?

Installation follows the stock differential procedure for MSR-010 and MSR-010A models; basic tools and careful alignment are all you need.

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