Skunk2 Pro Series titanium retainers cut valvetrain mass to raise the rev ceiling and improve valvetrain stability, and are 42% lighter than OEM steel retainers. They feature radius-cut edges for added rocker arm clearance, lightening grooves, and reduced overall height for better valve-seal clearance. Machined from ultrasonically inspected medical-grade titanium and serialized. Set of 16 for Honda/Acura B-series and H-series VTEC engines.
| Type | Valve spring retainers (Pro Series) |
| Material | Medical-grade titanium (42% lighter than OEM steel) |
| Included | Set of 16 |
| Fitment | Honda/Acura B16A/B17/B18C/H22A/F20B |
| Part Number | 308-05-0300 |
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 |
| 1997-2001 | Honda | Prelude | Base |
| 1997-2001 | Honda | Prelude | Type SH |
| 1993-1996 | Honda | Prelude | VTEC |
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.
