Moroso 97800 Crankcase Check Valve for Evacuation System

The Moroso 97800 crankcase check valve is a direct replacement component designed for crankcase evacuation systems. This precision-engineered valve effectively reduces crankcase pressure throughout the entire RPM range, delivering multiple performance benefits including enhanced piston ring seal, reduced intake charge contamination, and minimized oil leaks. Track and dyno testing has confirmed measurable performance gains when this valve is properly installed.

Key Features:

• Direct replacement design threads directly onto weld-in nipple for easy installation
• Gold iridite finish provides corrosion resistance and professional appearance
• Maintains optimal crankcase vacuum across full RPM range
• Improves piston ring sealing efficiency for better compression
• Reduces oil contamination of intake system
• Helps prevent oil leaks caused by excessive crankcase pressure
• Sold individually

This replacement check valve is compatible with Moroso crankcase evacuation systems and serves as a factory-style replacement for worn or damaged valves. The valve ensures one-way flow to maintain proper vacuum conditions within the crankcase, which is essential for maximizing engine performance and reliability in high-performance and racing applications.