HF Sinclair (NYSE: DINO), the new parent entity of HollyFrontier, has completed its acquisition of Sinclair Oil. As a subsidiary of HF Sinclair, we’re in the process of updating our website to reflect this change.
Meets or exceeds the latest OEM vehicle requirements and is backwards compatible to previous categories.
Supreme is formulated to meet the needs of most cars and light trucks. View the Product for specific credentials.
The strength to protect and lower viscosity to improve efficiency.
DIAMOND STRONG PROTECTION
To protect every part even in high stress driving.
DIAMOND SMOOTH PERFORMANCE
To help release engine response and efficiency.
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