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Moroso Part # MOR25900

Moroso Crankcase Evacuation System - 25900

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Ships from Buffalo, NYOur U.S. warehouse
Trusted since 2005Enthusiasts behind the counter

  • 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

Free U.S. standard shipping on qualifying orders $199+. Special order and made-to-order items can't be cancelled or refunded once ordered.

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