Granatelli -10AN ORB Billet Breather for OEM-Style Valve Covers – 280117

Granatelli Billet Valve Cover Breather CNC Aluminum Crankcase Vent Upgrade

SKU: 280117

Granatelli Motor Sports Billet Valve Cover Breather 280117 is a high-performance crankcase ventilation upgrade for street and race engines. CNC-machined billet aluminum construction improves engine breathing, reduces crankcase pressure, and enhances engine bay appearance.

High-Performance Crankcase Ventilation

This billet valve cover breather efficiently vents blow-by gases and excess crankcase pressure to support maximum engine performance.

• Reduces crankcase pressure
• Improves piston ring seal
• Enhances engine efficiency
• Controls oil vapor buildup
• Ideal for turbo, supercharged, nitrous, and high-compression engines

CNC Billet Aluminum Construction

• Precision CNC-machined billet aluminum
• Lightweight and high-strength design
• Heat and corrosion resistant
• Built for high-horsepower applications

Direct Fit – Easy Installation

Direct replacement for factory oil cap or breather (application dependent). Simple installation with no complex modifications required.

Performance and Style Upgrade

Adds a clean, race-inspired look while delivering reliable crankcase ventilation for performance builds.

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.