HRAATF9337 Steel Helical Diff Ring/Pinion - BLX 3S 4S | The RC Shop at Dr Dans

Hot Racing's steel helical differential ring and pinion set delivers superior durability for your Arrma 1/10 4WD BLX platform. This precision-engineered 37T/13T gear assembly features helical spiral-cut teeth that provide smoother meshing and greater load capacity compared to factory bevel gears. Constructed from high carbon steel and optimized at just 66.75g, it maintains your vehicle's stock gear ratio while significantly outperforming plastic components. The helical design reduces noise and vibration during aggressive driving, making it an ideal upgrade for serious RC enthusiasts seeking enhanced reliability and performance longevity.

Includes:
(1) 37 tooth diff spiral cut ring gear
(1) 13 tooth spiral cut pinion gear
Notes:
To be used with ARAC4023 Composite Diff case Cover Or HRAATF11A01 Aluminum Diff case Cover.