STS Turbo blow off valves are a great choice for your turbo system. We utilize Turbosmart components to offer the highest quality blow off valve possible. It features unique collar design and internal flow structures, making it 50% lighter and 25% smaller than most other blow off valves all while flowing over 330 CFM. Our BOV construction includes a MILSPEC hard anodized valve guide and stem with positive sealing valve seat and a proven silicon nomex diaphragm for maximum reliability. The black anodized top and red internals gives it a unique appearance along with having a quick release V-band collar for ease of installation or removal and two vacuum ports for convenient line positioning.
- Heat Resistant Up To 450 Deg
- Woven Mesh Design
- Designed To Run Dry
- Slides Directly Over Air Filter
Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle
About Holley Performance Products
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!
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Holley STS Turbo Blow Off Valve STS56: