HKS Racing SQV - Universal 51MM Valve

HKS Racing  SQV - Universal 51MM Valve

HKS original 3-chamber structure ensures the stable operation of blow-off valve regardless of the amount of pressure. Large 51mm valve performs great with high power and large displacement engines. Adjustable pre-load allows a wide range of application.




3-chamber System

Typical blow off valves require spring load settings for each vehicle specification. If the spring load setting is too low, the boost pressure may be relieved under high boost, and the desired boost setting may not be reached. If the spring load setting is too strong, the valve may not open at low boost. 
HKS RACING SQV utilizes a reliefless type; therefore, it delivers stable operation at all boost levels.
Durability tests of over 1 million operations minimizes the chances of valve stick and achieves high durability.



HKS "RACING SQV" Structure, HKS Original 3-chamber System

HKS' original 3-chamber structure ensures the stable operation regardless of the amount of boost pressure.

Whether it is engine, exhaust, suspension, or drive-train systems, there is no substitute for the performance, quality and reliability of HKS. Part-Box/Co-ordSport are an approved distributor for HKS performance and tuning products.

For over 35 years, HKS products have been put to the test in drag racing, road racing, rallying, and top speed trials. HKS equipped vehicles have captured numerous racing championships and hold claim to a myriad of competition records using many “off the shelf”, race proven HKS components. As a result, HKS has been synonymous with “performance” in the automotive aftermarket industry for the past 35+ years.


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  • Product Code: 71008-AK004
  • Verfügbarkeit 1
  • RRP: €299,88 (incl. Tax)
  • Ex Tax: €252,00