Granatelli -16AN Male Billet Valve Cover Breather – 280114

Granatelli Billet Valve Cover Breather -16 AN High-Flow CNC Aluminum

SKU: 280114

The Granatelli Motor Sports Billet Valve Cover Breather 280114 is a high-flow crankcase ventilation upgrade featuring a -16 AN male thread for maximum airflow capacity. Designed for high-horsepower, boosted, and race engines, it helps control crankcase pressure under extreme conditions.

Granatelli Billet Valve Cover Breather Key Features

• -16 AN male thread for large-diameter AN hose connection
• High-flow design for boosted and high-compression engines
• CNC-machined billet aluminum construction
• Corrosion-resistant, durable finish
• Ideal for turbocharged, supercharged, and nitrous applications

Performance Benefits

• Relieves excessive crankcase pressure
• Improves ring seal under boost
• Reduces oil contamination from blow-by
• Supports consistent performance in high-load conditions

Installation & Fitment

• Direct connection to -16 AN hoses, catch cans, or custom PCV systems
• Perfect for custom AN plumbing setups
• Built for street/strip and dedicated race applications

For high-boost and competition builds requiring maximum ventilation capacity, the 280114 billet valve cover breather delivers race-ready airflow and durability.

Key Features & Benefits

• Application-focused Granatelli Motor Sports design
• Built for dependable performance and service
• Designed for enthusiasts, professional installers, and performance builds

Fitment & Installation

Confirm the part number, vehicle or engine application, dimensions, and supporting components before installation. Modified vehicles may require additional clearance, fabrication, calibration, or related hardware depending on the combination.

Frequently Asked Questions

How do I confirm fitment?
Match the part number and listed application to your vehicle, engine, dimensions, and supporting components before ordering.

Will this work on a modified vehicle?
Compatibility depends on the complete vehicle combination. Confirm the listed application and supporting components before installation.

Why Choose Granatelli Motor Sports?

Granatelli Motor Sports develops performance components for real-world street, street/strip, race, and custom applications, with an emphasis on practical performance, dependable construction, and integration into serious automotive builds.