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Castrol GTX Full Synthetic High Mileage 5W-30 motor oil is an affordable full synthetic that is specifically designed for vehicles with over 75,000 miles. It's been engineered to provide Superior Protection in 7 Critical Areas including corrosion prevention, sludge control, timing and friction wear. It also contains a proprietary additive to protect the emisssion system. Our Phosphorus Replacement Technology reduces harmful phosphorus to protect the catalytic converter and help extend the life of your high mileage vehicle.

Product Features:

• Phosphorous Replacement Technology helps prevent catalytic converter and emission system failure
• 6X better wear protection than the industry standard
• Exceptional oil burn-off protection exceeding industry standards. * Based on API and ACEA volatility specifications
• Protects for up to 10,000 miles between oil changes. **Up to 10,000 miles or 1 year, whichever comes first
• Also suitable for hybrids (0W grades)