HKS single-port internal wastegate actuator for the 1993-1998 Nissan Silvia S14 and 1999-2002 S15 (SR20DET). An internal wastegate actuator regulates turbine bypass to hold a target boost pressure; a stiffer spring raises base boost and sharpens response.
| Type | Single-port internal WGA |
| Engine | SR20DET |
| Fitment | Silvia S14 / S15 |
| Part Number | 1430-RN005 |
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