Description
High-Capacity Crankcase Ventilation for Extreme Performance. The Oil Fill Barb Adapter; 90 Degree 5/8-Inch (2011-2017 Mustang GT) is the ultimate solution for high-horsepower builds, particularly those featuring large-displacement superchargers or twin-turbo systems that generate significant blow-by. By providing a massive 5/8-inch opening, this adapter allows your Coyote engine to vent large volumes of crankcase pressure much more efficiently than standard caps or smaller fittings. Utilizing the Oil Fill Barb Adapter; 90 Degree 5/8-Inch (2011-2017 Mustang GT) is a critical step in preventing blown main seals and ensuring your engine maintains peak ring seal and power during maximum boost conditions.
Ergonomic 90-Degree Elbow for Streamlined Routing. To maintain a clean and organized engine bay, the Oil Fill Barb Adapter; 90 Degree 5/8-Inch (2011-2017 Mustang GT) features a precision-angled 90-degree bend that directs heavy-duty hoses away from critical components. This low-profile orientation is especially helpful in the 2011-2017 chassis, where overhead clearance for large-diameter hoses can be limited by aftermarket hoods or bracing. The Oil Fill Barb Adapter; 90 Degree 5/8-Inch (2011-2017 Mustang GT) allows for a professional plumbing installation that keeps your breather lines tucked neatly against the valve cover, reducing clutter and preventing interference with your Mustang’s high-performance intake system.
Installation. Putting this Oil Fill Barb Adapter; 90 Degree 5/8-Inch on your Mustang GT takes 1 hour to install.
Warranty. There is a limited lifetime warranty on this product.
Application. The Oil Fill Barb Adapter; 90 Degree 5/8-Inch fits 2011-2017 Mustang GT models.
CA Residents: WARNING: Cancer and Reproductive Harm
- Oil Fill Barb Adapter; 90 Degree 5/8-Inch
- Designed for High-Flow Crankcase Ventilation Systems
- Precision Machined Billet Aluminum Construction
- Threaded to Fit Factory Oil Fill Neck
- Large 5/8-Inch Barb for Maximum Airflow
- Internal O-Ring Seal to Prevent Oil Seepage
- Black Anodized Finish for Durability and Aesthetics
- Ideal for High-Boost Forced Induction Builds
- Eliminates Need for Plastic OEM Push-Connect Fittings
- Simple Twist-On Installation
- Corrosion-Resistant Design
- One-Hour Installation
- Limited Lifetime Warranty
- Fits 2011-2017 Mustang GT Models






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