Center Diff Gear Set for LAZER ZX7.5 - Kyosho LA403  [KY-LA403]

What the center diff gear does on ZX7.5

The Kyosho LA403 Center Diff. Gear Set is provided as a replacement component for the LAZER ZX7.5 model. Below are concise notes on the unit's role in the drivetrain, practical service steps, and installation tips aimed at model technicians.

The center differential gear set routes torque between front and rear outputs in the drivetrain, helping determine traction balance and handling traits. When working on a LAZER ZX7.5, swapping the center diff gear is a routine action if you find excessive play, odd noises, or when restoring correct drivetrain operation after hard service.

Installation notes are intentionally generic: verify gear stack orientation, set smooth and correct mesh with the pinion and spur, and inspect bearings and spacers for wear prior to final assembly. Use precise gear mesh settings and avoid overtightening screws that could preload the differential bearings.

On the tuning side, changing center diff gears or modifying the differential assembly (for example shims, oil, or clutch parts where applicable) shifts front/rear torque distribution and the car's transient feel. View the LA403 as a same-form replacement that permits controlled tuning through differential assembly choices rather than as a performance add-on by itself.

Compatible Models

• LAZER ZX7.5