Upgrade the internals of your HPI WR8 with these Steel#45 differential gears to gain better longevity and smoother torque flow. Compatible with Bullet MT 3.0, Bullet ST Fluorescent X and WR8 Fluorescent x, the pair is suited to hobbyists who push their trucks hard on mixed surfaces.
HPI WR8 Fluorescent x Steel#45 Differential Gears - 2pcs set (For Bullet MT 3.0 / Bullet ST Fluorescent X / WR8 Fluorescent x) - GPM WR81201
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