Phillips 66 X/C® 25W-60 is the first and only multiviscosity aviation oil designed and approved for radial engines originally designed to run on 120 grade.

Pilots and mechanics will notice immediate benefits with X/C 25W-60 over single grade oils. Benefits such as improved oil flow at startup, quicker warm-up time, cooler operating temperatures and a cleaner operating engine.

X/C 25W-60 also has proven corrosion protection in extreme conditions. X/C 25W-60 can be used year-round, during break-in and on to TBO.

For more information visit Phillips 66 Aviation Lubricants.