Modern Muscle Full-Syn 5W-50 API SN/ILSAC GF-5 Motor Oil Champion Modern Muscle 5W-50 Motor Oil (CMM) is an API SN licensed SAE 5W-50 which Champion recommends for Ford Coyote 5.0L, Ford Mustang 5.2L, Roush Mustang 5.2L, Shelby GT350, Shelby GT350R, Shelby GT500, and others, plus OEM / Engine Builder Crate Motors requiring a high performance 5W-50 viscosity. Part # 4403H/12 32 0z. Part # 4403AN 55 Gal.
