Breather Grommet 1in ID

The Breather Grommet 1in ID from Billet Specialties is a precision-engineered component designed for engine crankcase ventilation systems on performance and modified vehicles. This 1-inch inner diameter grommet serves as a critical seal interface in custom engine bay builds, fuel injection conversions, and high-performance engine modifications where factory breather routing has been replaced with aftermarket plumbing. Its compact design fits seamlessly into tight engine bay layouts.

Manufactured by Billet Specialties, a trusted name in precision automotive hardware, this breather grommet features a robust elastomer design that withstands engine bay heat cycles and vacuum fluctuations inherent in forced-induction and naturally-aspirated applications alike. The grommet body maintains structural integrity under pressure changes, preventing air leaks that would compromise PCV system efficiency and engine bay cleanliness. It is designed for secure, vibration-resistant connection points.

Engine builders, hot rodders, and performance enthusiasts benefit most from stocking this grommet for custom manifold work, turbo installations, and any build requiring reliable crankcase ventilation. The 1-inch ID is compatible with standard breather hoses, making it a versatile choice for various applications. This grommet ensures durability and performance in demanding environments.