HKS Super SQV4 is a sequential pull-type blow-off valve kit for the 1993-1998 Nissan Silvia / 240SX S14 with the SR20DET turbo engine. This is the JDM-specific application, supplied with the model-specific adapter to bolt onto the factory intake plumbing. The two-stage piston gives a sharp release sound and quick recovery and is switchable between atmospheric and recirculating venting.
| Type | Sequential blow-off valve kit (Super SQV4) |
| Fitment | Nissan Silvia / 240SX S14 (1993-1998) - SR20DET (JDM-specific) |
| Venting | Switchable atmospheric or recirculating |
| Includes | SQV4 valve and S14-specific adapter |
| Part Number | 71008-AN015 |
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