Royal Purple ROY05021 Synthetic Racing Oil XPR 5-Gallon (5W30)

Royal Purple ROY05021 Synthetic Racing Oil XPR 5-Gallon (5W30) is listed by Motorstate as a Motor Oil for catalog matching by brand, part number, and product name. Use this source-backed listing when comparing Royal Purple components in the Motor Oil category. The manufacturer part reference is 05021, while the Motorstate part number is ROY05021. Catalog description context: Motor Oil - XPR - 5W30 - Synthetic - 5 gal Jug - Each. No vehicle compatibility is stated here unless it is present in separate fitment data.