Skunk2's Alpha valve spring set upgrades the Honda D-series VTEC valvetrain with springs wound from super-clean chrome-silicone wire milled in Japan. Designed to resist valve float and maintain valvetrain stability at high engine speeds, the set fits D-series Civic, CRX, del Sol and early Integra applications. Each set covers a full head of 16 valves.
| Type | Alpha Series valve spring set |
| Material | Chrome-silicone wire |
| Open Pressure | 158 lbs. |
| Seat Pressure | 62 lbs. |
| Quantity | Set of 16 (full head) |
| Part Number | 311-05-1345 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1986-1989 | Acura | Integra | LS |
| 1987-1988 | Acura | Integra | LS Special Edition |
| 1986-1989 | Acura | Integra | RS |
| 1992-2000 | Honda | Civic | CX |
| 1988-2000 | Honda | Civic | DX |
| 1990-2000 | Honda | Civic | EX |
| 1988-2000 | Honda | Civic | LX |
| 1988-1991 | Honda | Civic | RT 4WD |
| 1989-1995 | Honda | Civic | Si |
| 1999 | Honda | Civic | Value Package |
| 1992-1995 | Honda | Civic | VX |
| 1993-1997 | Honda | Civic del Sol | S |
| 1993-1997 | Honda | Civic del Sol | Si |
| 1989-1991 | Honda | CRX | Base |
| 1988 | Honda | CRX | DX |
| 1990-1991 | Honda | CRX | HF |
| 1988-1991 | Honda | CRX | Si |
| 1987 | Honda | Wagovan | DX |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
