Overview
The HPI Racing 15T/38T Differential Gear Set is a genuine factory replacement final-drive gear pair for the HPI E10 differential. The set includes the 15-tooth bevel pinion and 38-tooth ring gear that determine the diff's gear ratio.
Worn or chipped diff gears cause noise, slop, and inconsistent torque transfer — replacing them restores like-new diff performance.
Key Features
- Genuine HPI Racing replacement gears
- 15T bevel pinion + 38T ring gear
- Hardened steel construction
- Direct fit for E10
- Restores factory ratio
Performance Benefits
- Smooth, quiet differential action
- Maintains factory torque distribution
- Long-lasting strength
- Restores OEM drivetrain feel
Usage Notes
- Use proper diff grease on assembly
- Inspect diff bearings and seals
- Verify gear mesh after install
Technical Specs
- Type: Differential Gear Set
- Ring Gear: 38T
- Bevel Pinion: 15T
- Material: Hardened Steel
- Manufacturer: HPI Racing
What's Included
- (1) 38T Ring Gear
- (1) 15T Bevel Pinion
Fitment
- HPI E10 1/10 scale electric drift / touring car
Summary
Restore smooth, quiet differential action with this genuine HPI 15T/38T E10 diff gear set.
