HKS upgraded valve springs (Step 2) for the Nissan RB26DETT support higher rpm and more aggressive camshaft profiles by resisting valve float for reliable valvetrain control. Engine-specific spring set for the RB26DETT.
| Type | Performance valve springs (HKS Step 2) |
| Engine | Nissan RB26DETT |
| Quantity | Complete set |
| Part Number | 22001-AN001 |
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