SKU: BSP21820
UPC: 800770102658
MPN: 21820
The Polished PCV Breather Ball Milled from Billet Specialties is a precision-engineered crankcase ventilation component designed for high-performance engine builders and custom automotive enthusiasts. This push-in breather eliminates crankcase pressure buildup while maintaining engine cleanliness and preventing harmful blowby from escaping unfiltered into the atmosphere. Whether you're building a show-quality street engine or upgrading existing ventilation systems, this polished aluminum breather delivers both functional excellence and visual appeal under the hood.
Constructed from durable aluminum, the Polished PCV Breather Ball Milled features a milled ball design that promotes smooth airflow dynamics while the polished finish provides a professional, mirror-bright appearance. The breather accepts a 3/8-inch hose evacuation fitting and is engineered for a 1-1/4-inch hole installation, making it compatible with most standard engine block configurations. The compact dimensions of 5.2 x 2.65 x 6 inches allow flexible mounting options without interfering with engine bay components, while the lightweight 0.56-pound design adds negligible weight to your engine assembly.
This breather is ideal for builders seeking OEM-style functionality wrapped in showroom-quality finishing. The push-in installation method simplifies mounting compared to threaded alternatives, and the polished surface resists oxidation while maintaining its lustrous appearance throughout the vehicle's lifespan. Professional installers and weekend warriors alike appreciate Billet Specialties' reputation for precision manufacturing—this component integrates seamlessly into traditional PCV systems, vintage restorations, and modern performance builds where clean air routing and aesthetic excellence are equally valued.
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