HKS Standard / Racing Wastegate Diaphragm
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Standard wastegate is small but have reliable control over boost pressure[about 294.2kW(400ps)]. You can adjust settings of supercharging pressure with the choice of spring. Because the special wastegate and standard wastegate have the same flange shape, you can use for the step-up.
One wastegate can control the boost of 367.8?441.3kW(500?600ps). By the choice of spring supercharging pressure can be set as high as about 156.9kPa(1.6kgf/cm2). The special racing wastegate for stainless exhaust manifold can be installed perfectly with the stud bolt and self-lock nut.