MOROSO CRANKCASE EVACUATION SYSTEM - MOR-25900

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 diameter hose.