Granatelli Motor Sports Billet Valve Cover Breather 280118 is a high-performance crankcase ventilation upgrade designed for street and race engines. CNC-machined from premium billet aluminum, it reduces crankcase pressure, improves engine breathing, and enhances durability in high-horsepower applications.
High-Performance Crankcase Ventilation
- Reduces crankcase pressure buildup
- Improves piston ring seal under boost
- Minimizes oil vapor contamination
- Supports turbocharged, supercharged, and N/A engines
Precision Billet Aluminum Construction
- CNC-machined billet aluminum
- Lightweight and heat-resistant
- Corrosion-resistant finish
- Race-inspired engine bay styling
-10 AN ORB Female Thread
Features a -10 AN ORB female thread for easy connection to AN fittings, catch cans, and custom PCV systems — ideal for performance and race builds.
Fitment & Installation
Designed for Ford Coyote, GM LS, and GM LT engines with 1/4-turn oil fill ports. Simple 1/4-turn installation replaces the factory oil cap for a quick performance upgrade.
Upgrade your LS, LT, or Coyote engine with the Granatelli billet valve cover breather for improved ventilation, durability, and race-ready performance