Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Features, Description, Reviews, Q&A, Specs & Installation
Crankcase Ventilation and Performance Upgrade. The CFM Performance Valve Cover Breather offers an efficient solution for reducing crankcase pressure while maintaining optimal engine function. Designed to fit 2012–2018 3.6L Jeep Wrangler JK models, this component replaces the factory oil cap with a functional breather system that helps promote engine longevity without compromising performance or airflow.
Construction and Appearance. Featuring a tough wrinkle black finish, this breather is crafted from precision-machined billet material for superior strength and heat resistance. Its internal baffled design helps trap oil vapors and prevent leaks, while the built-in check ball mechanism ensures unmetered air does not enter the crankcase under vacuum. The sleek, low-profile design matches factory aesthetics while adding performance functionality.
Installation. This valve cover breather installs as a direct replacement for the OEM oil cap, requiring no tools or modifications. Its plug-and-play design makes it a quick and easy upgrade that instantly improves crankcase ventilation without altering factory air or fuel flow systems.
Application. This CFM Performance Valve Cover Breather fits 2012–2018 3.6L Jeep Wrangler JK models. Ideal for performance builds and off-road applications, it provides a clean and effective way to relieve internal engine pressure, helping to e
CFM Performance 1-0305-3-WB
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
What's in the Box
Tech Guides: