Product details:

Hot Racing optional helical spiral differential gear set for the many 1/10 scale Traxxas vehicles. This item replaces Traxxas 5379X; please check your Traxxas manual to verify your model uses the 5379X gear set. The Hot Racing ring and pinion set is know to fit the E-Maxx front/rear diffs, the E-Revo front/rear diffs, the Rally VXL front diff, the Revo 3.3 front/rear diffs, the Slash 4X4 front diff, the Slayer Pro 4X4 front/rear diffs, the Summit 4X4 front/rear diffs, the Telluride 4X4 front diff, the T-Maxx 3.3 front/rear diffs, Stampede 4x4 front Diffand the XO-1 front diff. FEATURES: - Precision machined helical spiral cut gears offer inherently greater strength and smooth operation than the factory bevel cut gears- 29T/10T high torque gear ratio reduces torque twist - Construction: high carbon steel- Nitride case hardened for a long-wearing gear surface and a tough core- Compatible with the front or rear differential that use TRA5379XYOU WILL RECEIVE: - One (1) 29-tooth differential ring gear- One (1) 10-tooth differential pinion gearREQUIREMENTS: - Requires four (4) M2.5 flat head cap screws for installation- Shimming may be required for optimal alignment and fit- Hot Racing SPL10G05 high temp grease recommended- Best to use with Hot Racing RVO11L06 or the ultimate choice RVO11MX01COMMENTS: - This item replaces Traxxas 5379X; please check your Traxxas manual to verify your model uses the 5379X gear set. The Hot Racing ring and pinion set is know to fit the E-Maxx front/rear diffs, the E-Revo front/rear diffs, the Rally VXL front diff, the Revo 3.3 front/rear diffs, the Slash 4X4 front diff, the Slayer Pro 4X4 front/rear diffs, the Summit 4X4 front/rear diffs, the Telluride 4X4 front diff, the T-Max