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Spool, differential (eliminates differential. Use off-road only) (Requires #5379 ring gear)
The differential spool replaces the standard differential to lock the axle and provide equal power to both wheels. For straight-line sand drags, rock climbing, or pulling, you can replace both the front and rear differentials with spools for total 4WD traction. On tight off-road tracks, install a spool in the rear diff case to allow the rear end of the truck to rotate more easily and slide through the corners. Corrosion-resistant finish and tough steel construction ensures lasting durability. (Recommended for off-road use only) Requires 5379X or 5379R ring gears.

Accessory part for these models:

Slayer® Pro 4X4
Slayer® Pro 4X4: TQi™ Traxxas Link™ Enabled 2.4GHz Radio & TSM® (Model# 59076-3)
Revo®
Revo®: TRX® 3.3, TQi™ 2.4GHz Radio System, Traxxas Link™ Wireless Module, & TSM® (Model# 53097-3)
$12.00
Model# 5381X
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