Product Overview: 5339 PCV Breather Grommet (4-Piece Set) Specification Highlights: Our 5339 PCV Breather Grommet comes as a four-piece set, ensuring you have extras or replacements on hand. Each grommet is brand new and of superior quality, specifically designed for valve cover breathers. Compatibility: Universal Fit for Valve Covers: The 5339 PCV Breather Grommet is perfect for all valve covers featuring a 1-1/4 inch filling port vent hole. Its universal design ensures compatibility with a wide range of vehicles and engine setups. Premium Quality Materials: High-Grade Rubber Construction: Crafted from high-quality rubber, the 5339 PCV Breather Grommet guarantees a snug and secure fit within the ventilation holes. This material not only meets but exceeds OEM standards, ensuring durability and performance. Effortless Installation: Quick and Simple Setup: Installing the 5339 PCV Breather Grommet is a breeze, requiring minimal time and effort. Its design makes it user-friendly, allowing DIY enthusiasts and professionals alike to complete the installation swiftly. Customer Service Assurance: Responsive and Reliable Support: Should you encounter any issues with your 5339 PCV Breather Grommet, our dedicated customer service team is here to help. We promise to resolve any concerns promptly, ensuring your satisfaction with our product.