Home / Hot Racing / Drive-train: gearbox and gears / SXMX9423TF
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Hot Racing steel helical front gear set, 42T/13T. Same ratio as the stock gears, but with much better strength and smoother running. Precision machined helical spiral cut teeth beat the factory bevel gears for strength and feel. High carbon steel build. IN THE BOX: One 42 tooth diff spiral cut ring gear One 13 tooth spiral cut pinion gear NEEDS: Install per the kit manual Replace as a set Medium blue threadlock if screws thread into metal Hot Racing SPL10G05 high temp grease recommended for the diff gear Use silicone diff fluid inside the gear diff SPECS: Weight: 32.35oz (66.75g) Replaces TRA 7779 and 7777. Must replace as a set.
