Castrol GTX High Mileage
* NOAK Volatility test of leading 10W 30's
- Utilizes special base oils to provide superior protection against oil burn–off compared to leading oils.
- Contains seal conditioners that provide added level of protection and help reduce leakage.
- Contains proprietary additives that provide superior protection from wear and harmful deposits in higher mileage engines.
- Reduced deposit formation to minimize compression loss and maximize engine performance.