For complete protection and performance. Made from natural gas. Dexos 1. GM approved - GEN 3. Made from natural gas, not crude. The base oil is crystal clear. We add our unique high performance additives, which gives Pennzoil its distinct amber color. Pennzoil Motor Oil Provides: Unsurpassed wear protection (Based on sequence IVA wear test using SAE 5w-30); Protection in extreme temperatures; Better fuel economy (Compared to a dirty engine); Protects horsepower; Cleaner pistons (Based on Sequence IIIH results). The number of stars indicate relative performance. Testing conducted on 5W-30 viscosity. Formulated to Meet or Exceed: Manufacturer: Chrysler; Specification: MS-6395, MS-13340. Manufacturer: Ford; Specification: WSS-M2C946-A.