Multi-Grade 20W-50 Ashless for Normal Use

20w-50 Multi-grade ashless dispersant engine oils are for normal operation in aircraft engines and are designed to last longer, operated better in cold temperatures and provide better protection during warm-up due to their higher Viscosity Index (VI). The 20w-50 is a direct replacement for Aviation Grade 100 AD for use in all commercial aircraft piston engine. 

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