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Return to Parts List Category : B- Small Block Dodge Magnum : Valve Covers & Accessories : Breathers & Grommets & Caps MRG 6002 CRANKCASE EVACUATION SYSTEM KIT INCLUDES 2 BREATHERS, 2 GROMMETS, 2 CHECK VALVES, 2 THREADED TUBES $71.70   Designed primarily for drag race applications, this crankcase evacuation system is designed to reduce pressure build-up in the engine crankcase. This provides a better piston ring seal, less intake charge contamination, and reduces oil leaks caused by high crankcase pressures, while increasing engine performance. Kit includes two chrome plated Mopar style push-on valve cover breathers, two breather grommets, two check valves and two 3 1/2" long, 45 degree cut/threaded tubes, which must be welded into collectors.  Installation instructions available HERE.