Skunk2's Alpha Series kit pairs dual valve springs with titanium retainers for Honda B-series VTEC engines (B16A, B17A, B18C). The chrome-silicone springs use inner and outer coils at differing frequencies to prevent valve float and hold valvetrain stability past 10,000 rpm, while the titanium retainers cut reciprocating mass with radius-cut edges and lightening grooves for extra rocker clearance.
Specifications
| Type | Alpha Series dual valve springs with titanium retainers |
| Material | Chrome-silicone spring wire; titanium retainers |
| Open Pressure | 210 lbs. at 0.820 in. |
| Seat Pressure | 68 lbs. at 1.320 in. |
| Coil Bind | 0.800 in. |
| Fitment | Honda/Acura B-series VTEC (B16A, B17A, B18C) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1992-2001 | Acura | Integra | GS-R |
| 1997-1998,2000-2001 | Acura | Integra | Type R |
| 1999-2000 | Honda | Civic | Si |
| 1994-1997 | Honda | Civic del Sol | VTEC |
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