High-performance billet valve cover breather for improved crankcase ventilation and reduced engine pressure. CNC-machined billet aluminum construction delivers durability, heat resistance, and race-ready engine bay styling.
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.
This billet valve cover breather efficiently vents blow-by gases and excess crankcase pressure to support maximum engine performance.
Direct replacement for factory oil cap or breather (application dependent). Simple installation with no complex modifications required.
Adds a clean, race-inspired look while delivering reliable crankcase ventilation for performance builds.