Phillips 66 Victory Aviation Oil 100AW - 12/1 qt. case Phillips 66 Victory Aviation Oil 100AW is an ashless dispersant, single-grade engine oil. Pre-blended with the proper concentration of antiscuff/antiwear additive (LW-16702) as mandated by Lycoming Service Bulletins 446E and 471B and Service Instruction 1409C. Phillips 66 Victory Aviation Oil 100AW is recommended for use in opposed piston and radial piston aircraft engines where cam lifter wear is a concern. Phillips 66 Victory Aviation Oil 100AW's ashless dispersant formulation helps minimize the formation of engine sludge, varnish, piston deposits and combustion chamber deposits. Results in a much cleaner engine as compared with the use of straight (nondispersant) mineral oils.