Overview
The HPI Racing 7 x 15.8mm Diff Output Cup Set is a genuine OEM replacement for the differential output cups on the Mini King platform. Precision-machined to factory specifications, these output cups deliver reliable, smooth power transfer from the differential to the driveshafts.
Sold as a 2-piece set, this kit refreshes both diff output cups in a single service – ideal for restoring tight, slop-free drivetrain performance after extended use.
Key Features
- Genuine HPI Racing OEM diff output cups
- 7mm x 15.8mm dimensions
- Designed for the Mini King differential
- Sold as a 2-piece set
- Direct factory fit
Performance Benefits
- Restores tight, slop-free diff-to-driveshaft engagement
- Eliminates clunks and play from worn cups
- Maintains consistent power delivery
- Long-lasting performance under demanding use
Usage Notes
- Refer to the Mini King manual for proper installation orientation
- Apply CV grease to driveshaft pin contact surfaces
- Inspect driveshaft pins and bones for related wear
- Replace as a pair for best results
Technical Specs
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Type: Differential Output Cup
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Size: 7mm x 15.8mm
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Quantity: 2 pieces
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Vehicle Application: HPI Mini King
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Manufacturer: HPI Racing
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Part Number: 161217
Fitment
- HPI Mini King (1/18 scale crawler/trail platform)
- Designed specifically for the Mini King differential
- Verify part number against your vehicle's manual prior to ordering
What's Included
- (2) HPI Racing 7 x 15.8mm Diff Output Cups
Summary
Keep your Mini King's differential running tight and quiet with this genuine HPI 7 x 15.8mm Diff Output Cup Set – the right OEM replacement for slop-free, reliable drivetrain performance.
