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View compareHPI Racing 66 Tooth Spur Gear – Replacement Drivetrain Gear for RS4 Sport 3
HPI Racing 66 Tooth Spur Gear – Replacement Drivetrain Gear for RS4 Sport 3
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Description
Description
Overview
The HPI Racing 66 Tooth Spur Gear is a genuine OEM replacement spur gear for the HPI RS4 Sport 3 1/10 scale touring car. This precision-cut gear delivers proper power transfer from your motor pinion to the drivetrain.
The 66T count provides a balanced gearing option for the RS4 Sport 3, suitable for general-purpose driving and racing setups.
Key Features
- Genuine HPI Racing OEM replacement
- 66-tooth count for balanced gearing
- Precision-molded for smooth meshing
- Direct fit for RS4 Sport 3
- Durable plastic construction
Performance Benefits
- Balanced acceleration and top speed
- Smooth, quiet drivetrain operation
- Reliable power transfer
- Compatible with stock pinions
Usage Notes
- Pair with appropriate pinion gear
- Check pinion mesh after installation
- Inspect for chipped or worn teeth periodically
- Clean gear before installation
Technical Specs
- Manufacturer: HPI Racing
- Part Number: 113706
- Tooth Count: 66T
- Material: Durable plastic
Fitment
- HPI RS4 Sport 3
- HPI RS4 Sport 3 Hoonicorn
- HPI RS4 Sport 3 BMW M3 E30
- RS4 Sport 3 variants
What's Included
- 1x 66T Spur Gear (RS4 Sport 3)
Summary
Tune your RS4 Sport 3 gearing with this OEM HPI Racing 66T spur gear. Balanced, smooth, and precision-fit.

