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$329.00
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The HKS Sequential Blow Off Valve has been one of the favorite modifications among sport compact drivers for more than 20 years. From its unique chirping sound, to the ability to out-perform OEM units makes this a blow off valve one can depend on. The latest HKS Super SQV4 Blow Off Valve employs the same design qualities as the original which involves a pull-type sequential valve structure with a differential pressure control system. This design allows for stable operating ranges from low, to high boost pressures.
Typical push-type blow off valves require spring load settings for each vehicle specification. If the spring load setting is too low, the valve may leak under high boost and the desired boost setting may not be reach. If the spring load setting is too strong, it may not open at low boost. The Super SQV will operate under any boost pressure setting without leaking.
Dual Valve Structure, Sequential System
At low boost ranges the Primary Valve opens, and at high boost ranges the Secondary Valve also opens, resulting in linear response and optimal blow-off operation at all boost levels.
Functionality:
Accelerator ON - Valves Closed:
As pressure rises in chamber C, pressure is applied to both the Primary and Secondary valves. The higher the boost pressure, the more pressure is applied to the valves, preventing leaks.
Accelerator OFF - Primary Valve Opens:
Throttle lift creates a pressure difference between chambers A & B, opening the primary valve bypassing the secondary valve. this creates the initial discharge.
Accelerator OFF - Secondary Valve Opens
When pressure difference in chambers A & B reach a maximum, the Primary Valve pulls the Secondary Valve open, creating a secondary discharge.
Universal Fitment:
This is a universal unit that will come provided with a c-clip, zip-ties, a pair of vacuum T’s, and a vacuum line filter. Additional hardware (such as weld on flanges, adaptor flanges, install kits etc.) is required to install this to vehicles with OEM blow off valve.
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| SKU:
71008-AK001
