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The Tamiya UNIVERSAL ARM SET (70143) is an educational construction set that builds STEM and fine-motor skills through hands-on construction play
Reduces drivetrain friction for smoother wheel and gear rotation
and underside of compatible Traxxas vehicles
Slick tread pattern suited to smooth on-road surfaces
Available in blue and sold in a pack of four
Traxxas Gear Centre 51-Tooth Spur RC Differential - 8574 1.9/3.0 inch The Tamiya UNIVERSAL ARM SETThe Traxxas 8574 center differential with 51 tooth spur gear is a factory replacement drivetrain component for Traxxas 4WD RC vehicles, restoring smooth and consistent power distribution across all four wheels. Part number TRX8574, this center diff is a direct fit component designed to keep your Traxxas 4WD model running as intended after wear or damage to the original unit. It matches OEM specifications, so there's no guesswork involved in fitment or
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