Bel-Ray® Hyperion Synthetic Blend CK-4 is formulated for use in high-speed four-stroke cycle diesel engines designed to meet 2017 model year on-highway and Tier 4 nonroad exhaust emission standards as well as for previous model year diesel engines. This oil is formulated to use in all applications with diesel fuels ranging in sulfur content up to 500 ppm. Bel-Ray Hyperion Synthetic Blend CK-4 is designed to provide enhanced protection against oil oxidation, viscosity loss due to shear, and oil aeration as well as protection against catalyst poisoning, particulate filter blocking, engine wear, piston deposits, degradation of low- and high-temperature properties, and soot-related viscosity increase. SAE 15W-40 meets API SN specifications.
 
Protects emission control systems
Outstanding oxidation stability
Synthetic Blend formulation
Universal product for mixed fleet operations
Excellent low temperature properties helps speed cold starts