Royal Purple 23530 SAE 5W-30 High Performance Synthetic Motor Oil - 5 Quart

Royal Purple 23530 is a SAE 5W-30 High Performance Full Synthetic Motor Oil formulated for modern gasoline direct injection (GDI) engines. Available in a 5-quart container, this premium synthetic oil combines advanced base oils with Royal Purple's proprietary Synerlec® additive technology to deliver superior engine protection and optimized performance.

Modern GDI engines produce greater power and efficiency but operate under significantly higher loads, increasing wear and creating the risk of Low Speed Pre-Ignition (LSPI) — a destructive phenomenon common in turbocharged GDI engines. Royal Purple 23530 is specifically engineered to combat these challenges, keeping engines protected and running reliably under demanding conditions.

Key Features:

• LSPI Protection: Advanced additive chemistry helps reduce Low Speed Pre-Ignition in turbocharged GDI engines
• Superior Wear Protection: Enhanced additive technology prevents metal-to-metal contact beyond GM dexos1™ and ILSAC GF-6 specifications
• Optimized Fuel Efficiency: Low coefficient of friction delivers fuel economy equivalent to a 5W-20 oil
• Excellent Oxidation Stability: Premium synthetic formulation maintains consistent viscosity and resists breakdown at high temperatures
• Advanced Deposit Control: Aggressive detergents resist sludge, varnish, and deposit formation while keeping the engine clean
• Ethanol Fuel Compatibility: Patented additive technology prevents white sludge and lubrication starvation from higher-concentration ethanol blends
• Emissions System Protection: Patented ZDDP additives minimize harmful exhaust effects on catalytic converters
• Fully Compatible: Mixes safely with conventional and other synthetic motor oils — no special flush or procedures required when switching

Royal Purple 23530 meets or exceeds API SP / ILSAC GF-6 specifications and carries GM dexos1® Gen 2 approval. Extended oil change intervals of up to 12,000 miles or 12 months (whichever comes first) are supported by the oil's outstanding oxidation resistance and long-term stability.