This fully synthetic 2-cycle engine oil is specially suited for high performance chainsaws and power tools.

No matter how you slice it (or trim it or shred it), there’s no better protection for your high performance 2-stroke engine than STIHL HP Ultra Oil. This two-cycle engine oil has outstanding engine cleaning characteristics, plus “ultra” lubricating qualities that are superior to other two-cycle engine oils. This fully synthetic oil is also highly biodegradable, degrading by 80% in 21 days. We’re so confident this oil will protect your engine, we’ll double your STIHL limited warranty* when you use it. It’s that good.

Unopened container shelf life: Four years from the date of filling, in originally sealed containers.