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The Granatelli Motor Sports 50mm Viper Series Ultra High Flow Blow Off Valve is designed for custom or universal systems that match its exact dimensions and interface. Match manufacturer part number 540198, the complete vehicle or system configuration, dimensions, connections, and included components before ordering.
Key Features
- Ultra High Flow 50mm Design – Significantly larger than most factory BOVs for faster pressure release.
- Adjustable Spring Rates – Includes both 6 psi (daily/mild) and 15 psi (high-boost) springs.
- 50mm Valve Size – High-flow design for serious boost applications.
- 0.625" Lift – Allows rapid venting of boost pressure.
- Dual Spring Kit Included – 6 psi for street use and 15 psi for high-performance builds.
- Black Anodized Aluminum Body – Lightweight and corrosion resistant.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| Universal | Specification matched | Custom application | Confirm every dimension, port, material, electrical requirement, and interface |
Specifications
| Brand | Granatelli Motor Sports |
|---|---|
| Manufacturer Part Number | 540198 |
| Product Type | Blow Off Valves |
| Fitment Type | Universal |
| Condition | New |
What's Included
One new Granatelli Motor Sports blow off valves identified by manufacturer part number 540198, in the quantity stated by the title. Additional wiring, hoses, clamps, fittings, gaskets, fluids, tuning, tools, and installation hardware are included only when expressly listed for this exact part number.
About Granatelli Motor Sports
Granatelli Motor Sports develops ignition, airflow, exhaust, cooling, engine, brake, and fabrication components for domestic and import performance applications.
Related Granatelli Motor Sports Products
- Shop all Granatelli Motor Sports products
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Frequently Asked Questions
How do I confirm this Granatelli part is correct?
Match the manufacturer part number, dimensions, material, ports, finish, quantity, electrical requirements, system interface, and any listed vehicle fitment.
Is this a complete kit?
Only the components expressly stated in the title and What’s Included section are supplied. Related wiring, clamps, fittings, hoses, tools, or hardware may be sold separately.
Can this part be used on a custom build?
Universal and fabrication components may work when every dimension and interface is verified. Vehicle-specific parts should not be treated as universal without current manufacturer confirmation.
Installation Instructions
Follow the current Granatelli Motor Sports and vehicle service instructions for part number 540198. Compare every component, connection, dimension, and mounting point before disassembly. Use the correct tools, fasteners, torque values, fluids, wiring protection, and safety procedures, then inspect for leaks, interference, heat exposure, and secure operation before normal use.
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