The Traxxas Differential Oil Kit supplies three viscosity options—10K, 30K, and 50K—in a 50 cc package so you can precisely tune your differential's limited-slip action for better turn-in and faster exit speeds.
Use the lighter 10K for freer differentiation on loose or low-traction surfaces, the 30K for balanced traction and predictable handling, and the heavier 50K when you need stronger limited-slip on high-grip tracks. This kit is a straightforward tuning step for racers, club drivers, and weekend bashers who want consistent cornering and improved acceleration out of turns.
The Traxxas Differential Oil Kit gives you the range to adapt your setup to changing conditions without swapping parts. It’s a compact, effective way to control traction characteristics and fine-tune handling for specific driving styles and surfaces.
This kit is awesome! It has exactly the three thicknesses I needed for my Slash 4x4: 30k for the front, 50k center, and 10k rear. Each bottle comes with a screw-on nozzle lid, which is super handy for keeping things clean and easy to use. Plus, the price for all three bottles is really good compared to buying them separately.
Perfect for Toyota Clutch Fan
Got this for my 1993 4Runner's aisin clutch fan, it’s got the 3.0 3-VZE engine and deals with Nevada heat. Works for most Toyotas. I drained out the old stuff and put in 45ml of 10k fluid. You’ll find lots of guides online, just have a JIS 2 screwdriver handy. The fan now engages better, keeping the engine cooler. Toyota sells the 10k silicone fluid too, but it costs way more. People who know their stuff tweak the clutch fan fluid based on climate, thinner for cold, thicker for hot. Make sure the fan and pulley bracket are in good shape or new, since they’ll be working hard and could destroy radiator hoses, fan shroud, battery, intake hoses, timing belt cover, even dent the hood if they fail. A real mess.