HKS BOV

HKS compressor blowoff  valves play a vital role in any turbo system because they not only improve the performance of your vehicle but they also increase the longevity of the turbocharger as well.  The primary function of any blow-off valve is to prevent compressor surge by relieving the compressed airflow that reverses direction as the throttle is closed. 

HKS blowoff valves reroute the pressurized air, that is normally forced backwards into the turbo compressor, into the intake stream or by venting it to the atmosphere.  Subsequently, engine performance is then increased from quicker turbo spool up, as the compressor speed is not reduced by the backward airflow.  The longevity of the turbo is also increased, as its bearings will not suffer from the impact that is also produced by compressor surge. 

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HKS Super SSQV4 Vehicle Specific Kit 71008-AZ007 93+ RX-7

Super SQV 4 features include a nickel-plated, die-cast metal secondary valve which is swaged to the primary valve, a stainless steel C-Clip and spring to increase sealing & durability.

Reliable functionality of the Super SQV 4 is unchanged and utilizes the same mounting flanges as all previous generation SSQVs.  This assures compatibility with all optional HKS SSQV inserts, recirculation fittings and recirculation kits.

Price: $434.50 Quantity
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HKS Super SQV4 Kit 71008-AK001

Super SQV4 Universal Kit

Price: $324.50 Quantity