Description
If you’re running a 4-stroke engine in demanding conditions—whether track-side or trail-bound—you need an oil that handles the brutal reality of high RPMs, aggressive shifting, and extended intervals between services. CASTROL Act Evo® Semi-Synthetic 10W-40 delivers exactly that: advanced protection across your engine, clutch, and gearbox in a single formulation, eliminating the guesswork of multi-product maintenance. The semi-synthetic blend reduces operating temperatures while improving shift quality, so you can focus on performance instead of oil management.
- Partially-synthetic 4T formulation
- Viscosity: 10W-40
- Volume: 1 U.S. gallon
- TriZone Technology™ protection
- Engine + clutch + gearbox coverage
- Extended drain intervals
- Reduced operating temperatures
- Improved shift performance
- Active protection off-engine
- MPN: 15D7D4
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