Spool/Spacers (Left & Right)/ 2.5x8 CS (4): 8590
$12.00
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Spool/Spacers (Left & Right)/ 2.5x8 CS (4): 8590
$12.00
OEM Fit
Traxxas Unlimited Desert Racer
Complete Set
Includes Spacers and Screws
Heavy Duty
Handles Extreme Brushless Power
In Stock
Drivetrain ComponentGenuine Factory Replacement Spool Assembly
Restore your vehicle drivetrain performance with the official Traxxas Differential Spool with Spacers. Engineered specifically for the Traxxas Unlimited Desert Racer (85086-4), this factory replacement part ensures maximum power transfer to the wheels during high-speed off-road RC car action.
Precision Drivetrain RepairKeep Your Desert Racer Peak
Maintain the rugged power delivery of your short course desert truck using the authentic Traxxas Differential Spool with Spacers. This essential RC car replacement part includes a precision differential spool along with designated left and right side spacers, plus four 2.5x8 mm screws for immediate installation. Whether rebuilding after intense bashing or performing routine maintenance on your Traxxas Unlimited Desert Racer, this spool assembly provides the exact fit and durability needed to handle high-torque brushless motor systems.
Technical DataExact Component Specifications
Compatible Vehicles
Traxxas Unlimited Desert Racer (85086-4) (car)
Part Type
Differential Spool & Spacers
Material
High-Impact Composite & Steel
Placement/Position
Center/Rear Differential
Included Hardware
2.5x8 mm Screws (4) (tool)
Dimensions
Factory Standard Traxxas UDR
Key Component DetailsFactory Direct Specifications and Benefits
Direct OEM FitmentDesigned for the Traxxas Unlimited Desert Racer 85086-4
Complete Spool KitIncludes differential spool with left and right spacers
Hardware IncludedComes with four 2.5x8 mm assembly screws
Maximum TractionLocks differential output for consistent power delivery
Factory QualityDurable construction built for brushless motor torque
Frequently Asked QuestionsEverything you need to know
Is the Traxxas Differential Spool with Spacers compatible with the Traxxas Unlimited Desert Racer?
Yes, this genuine component is explicitly designed as a direct replacement part for the Traxxas Unlimited Desert Racer (Model 85086-4).
What hardware comes in the box with the Traxxas Differential Spool with Spacers?
The package includes one replacement differential spool, one left spacer, one right spacer, and four 2.5x8 mm screws.
Why should I replace the Traxxas Differential Spool with Spacers on my UDR?
Replacing worn or damaged differential spools restores proper drive power transfer to your RC car wheels and prevents unnecessary drivetrain wear.