Rhodex RC Line Silicone Differential Oil is a 100% pure silicone diff fluid in 14 weights from 2,000 to 100,000 cSt. Set front, centre and rear diffs precisely — heavier oils tighten the diff for more drive and stability, lighter oils free it up for more steering and agility.
Key benefits
14 precise weights (2,000–100,000 cSt) — dial in each diff exactly
100% pure silicone — batch-consistent; what’s on the label is what’s in the bottle
Temperature-stable and seal-safe
Independent front / centre / rear tuning to balance steering against drive
Holds viscosity under load for predictable handling
Choosing a weight
Viscosity
Effect
Typical use
2,000–7,500 cSt
Freer diff, more steering & agility
Front diffs, on-road, high-grip
10,000–30,000 cSt
Balanced
Centre diffs, all-round buggy/truck
50,000–100,000 cSt
Tighter, locked feel, more drive
Rear diffs, drag, monster/basher builds
Lighter = more steering and agility; heavier = more drive, stability and a more locked feel.
How to use
Clean and reassemble the diff with seals fitted.
Fill with your chosen weight and rebuild.
Go heavier to tighten the diff, lighter to free it up.
