The BC SR20DET valve springs and retainer kit is designed for high revving, high RPM engines. Eachl valve spring is made from a high grade chrome silicone alloy and proprietary manufacturing procedures for consistency. The retainers are CNC machined from round bar titanium to exact tolerances to ensure a perfect fit with the valve springs.
Specs are:
- Seat: 1.550" @ 90lbs
- Open: 1.025" @ 220lbs
- Coil bind: 0.910"
| Year | Make | Model | Trim | App Notes |
| 1989 - 1998 | Nissan | 180SX | (S13) L4 2.0L SR20DET | None |
| 1994 - 1998 | Nissan | 200SX (Non-US) | (S14) L4 2.0L SR20DET | None |
| 2000 - 2002 | Nissan | 200SX (Non-US) | (S15) L4 2.0L SR20DET | None |
| 1989 - 1993 | Nissan | Silvia | (S13) L4 2.0L SR20DET | None |
| 1994 - 1998 | Nissan | Silvia | (S14) L4 2.0L SR20DET | None |
| 1999 - 2002 | Nissan | Silvia | (S15) L4 2.0L SR20DET | None |
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