Granatelli Motor Sports 50mm Viper Series Blow-Off Valve

Granatelli Motor Sports 50mm Viper Series Blow-Off Valve

Unleash the Sound. Unleash the Performance.

The Granatelli Motor Sports 50mm Viper Series BOV is engineered for drivers who want more than just boost control — they want attitude. With its aggressive sound profile and lightning-fast response, this BOV transforms every throttle lift into a sharp, commanding release of power.

Massive 50mm Flow for Maximum Boost Relief

Featuring a true 50mm valve design, the Viper Series BOV delivers exceptional airflow capacity to handle high-pressure, high-horsepower setups with ease. Whether you’re running a big-frame turbo, a heavily modified build, or pushing your system to the edge, this BOV ensures consistent pressure relief without compressor surge.

Precision Engineering

Constructed from premium billet materials and designed for high-temperature durability, the Viper Series BOV provides stable performance under the most demanding conditions. Every component is tuned for reliability, responsiveness, and long-term endurance.

Fully Adjustable for Your Setup

With a user-friendly adjustable spring system, you can fine-tune response for your specific boost profile. From daily street driving to all-out track sessions, the Viper Series BOV adapts to your needs instantly.

COMING SOON 2026

Prepare for the next level of boost control. The Viper Series BOV arrives in 2026 — built to dominate and designed to impress.