Description
Product Overview
The Pirate Mfg PCV & Valve Cover Breather Kit is crafted from high‑grade polished billet aluminum, offering a striking appearance and superior resistance to corrosion. Engineered to fit all 1‑1/4 inch valve cover openings, the kit includes precision‑molded grommets that can be reduced to accept 7/8 inch stems, providing flexibility for a range of applications. Each component is CNC‑machined for exact tolerances, ensuring a seamless fit and reliable performance in demanding environments.
![[Product front view showing all components]](https://www.assisttech.store/wp-content/uploads/2026/06/d7430f4deb2145e185f2a1643b73087c.jpg)
Usage
This breather kit is perfect for hot rods, rat rods, muscle cars, and custom builds where both function and aesthetics matter. Install it on any 1‑1/4 inch valve cover opening to improve crankcase ventilation, reduce oil blow‑by, and maintain a clean engine bay. The removable design allows quick cleaning, making it ideal for track days, weekend builds, and daily drivers alike.
Why Choose Us
Pirate Mfg combines decades of automotive expertise with meticulous craftsmanship. Our breather kit undergoes rigorous quality checks, guaranteeing a leak‑free seal and long‑lasting durability. Backed by a responsive customer support team, we provide assistance from installation guidance to after‑sales service, ensuring confidence in every purchase.
Key Features
- Polished billet aluminum construction for premium look and corrosion resistance
- Fits standard 1‑1/4 inch valve cover openings, with grommets adaptable to 7/8 inch stems
- Easy‑disassemble design simplifies cleaning and maintenance
- Improves crankcase ventilation, reducing oil consumption and engine deposits
- Dedicated support team offers installation help and warranty assistance
FAQ
Will this kit fit a valve cover with a 3/4 inch opening?
No, the kit is designed for 1‑1/4 inch openings. It will not fit factory covers that have a 3/4 inch opening.
Can the grommets be adjusted for different stem sizes?
Yes, the included grommets can be reduced to accept a 7/8 inch stem, providing flexibility for various applications.
How do I clean the breather components?
The breather separates easily; simply remove the components, soak in a suitable cleaner, rinse, and reinstall.
Is this kit suitable for high‑performance engines?
Absolutely. The high‑quality aluminum and precise fit ensure reliable ventilation even under demanding conditions.
What warranty does Pirate Mfg offer?
We provide a one‑year limited warranty covering manufacturing defects, backed by our responsive customer service team.




Reviews
There are no reviews yet.