PCV Breather 1-1/4in VC Retro Polished Chevrolet

The PCV Breather 1-1/4in VC Retro Polished Chevrolet by Billet Specialties is a polished aluminum breather designed for positive crankcase ventilation (PCV) systems on Chevrolet engines. This push-in oval breather features a 1-1/4 inch hole configuration with a 3/8 inch hose evacuation fitting, offering both functional efficiency and classic aesthetic appeal. The retro polished finish and integrated Chevrolet logo make it a popular choice for street rods, restorations, and custom builds that prioritize originality-inspired styling without compromising PCV performance.

PCV breathers regulate crankcase pressure by allowing controlled venting of gases while preventing oil vapor from escaping into the engine bay. The 1-1/4 inch hole diameter is engineered to interface with standard Chevrolet engine block configurations, while the 3/8 inch hose fitting accommodates typical breather line sizing. Aluminum construction combined with polished finishing provides corrosion resistance and durability across seasons. The oval profile design is optimized for valve cover fitment on classic and retrofit Chevrolet installations, ensuring proper seating and minimal clearance issues during assembly.

This breather is ideal for Chevrolet engine builders, hot rod enthusiasts, and restoration specialists seeking authentic-looking PCV components that meet functional requirements. The push-in design simplifies installation without requiring threaded fittings or adapters. Whether building a small-block or big-block restoration, upgrading an existing PCV system, or sourcing original-style components for a street rod, this Billet Specialties breather delivers proven reliability and period-correct appearance. Sold individually.