Moroso 25900 Moroso Crankcase Evacuation System

Crankcase Evacuation System

• Reduces crankcase pressure throughout entire rpm range for increased piston ring seal, reduced intake charge contamination, and fewer oil leaks
• Track and dyno tests prove increases in engine performance
• Includes 2 each: Oil Separators/Breathers, Breather/Filler Cap Grommets, One-Way Check Valve and Weld-In Nipple for header collector, use with 5/8" dia. hose (not included)
• Not recommended for use on vehicles with mufflers or downstream wideband/oxygen sensors