Phillips 66 Aviation offers Type A 100AW aviation oil which is recommended for use in opposed piston and radial piston aircraft engines where cam lifter wear is a concern. Type A 100 AW is an ashless dispersant that helps minimize engine sludge and varnish deposits, is pre-blended with Lycoming-approved antiwear additive, and protects against rust and corrosion. Its high film strength protects against wear and piston scuffing and it has a high viscosity index and low pour point for use over a wide temperature range. For more information on this product call (877) 445-9198 or visit www.phillips66aviation.com.