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Instruction Sheets for Part Number SUM-260080
Technical Articles for Part Number SUM-260080
Summit Racing™ Blow-Off Valves
Blow Off Valve, HI-Flow 64mm valve, Adjustable, Aluminum, Black Anodized, Each
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Estimated Ship Date from OH, TX: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
SUM-260080
Part Type:
Product Line:
Summit Racing Part Number:
SUM-260080
Blow-Off Valve Type:
Vent to atmosphere
Blow-Off Valve Mounting:
88mm V-band
Boost Range (psi):
0-50 psi
Blow-Off Valve Material:
Aluminum
Blow-Off Valve Color:
Black
Adjustable:
Yes
Aluminum Flange Included:
Yes
Steel Flange Included:
No
Quantity:
Sold individually.
Notes:
Includes vacuum fittings, aluminum weld flange, V-band assembly, and multi-rate spring.
Special Attention:
The outlet valve diameter is 64.00mm and the mounting flange outer diameter is 88.00mm.
Summit Racing™ Blow-Off Valves
Our SUM-260080 64mm Blow Off Valve (BOV) is a pressure relief valve that protects a turbocharger or centrifugal supercharger by releasing trapped, high-pressure air when the throttle closes, yet it can also act as Cold Side Boost Controller by “floating” the valve open at a predetermined boost level. This allows the end user to “pulley up” or increase centrifugal blower boost from the compressor while bypassing the pressure at your desired level.
Features:
• 64mm Design Provides the Highest Measured Flow of Any Valve
• Billet 6061 Aluminum Design
• Standard 88mm / 3.5" V-band Connection with Included Weld-On Mounting Flange
• The Internal Dynamic Spring with Adjuster Shaft Allows for a Multitude of Variable Spring Rates and Pressure Settings.
• “Diaphragm Over Piston” Actuated Internal Valve
• Dual 1/8" NPT Top Mount Female Fittings Allow for a Variety of Plumbing Configurations
• Single 1/8" NPT Female Lower Port Allows for Management of Discharge Boost Pressures When Combined with Centrifugally Supercharged Combinations
• Black Anodized Finish
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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