Skunk2's spring bases let any Honda H-series VTEC cylinder head accept Skunk2's higher-performance Pro Series valve springs and titanium retainers originally designed for B-series engines. Each CNC-machined base is made from ultrasonically inspected steel and individually checked for dimensional accuracy. Sold as a set of 16 with a 0.480 in. inner diameter.
| Type | Valve spring base set (adapts H-series head to B-series springs) |
| Material | CNC-machined steel |
| Inner Diameter | 0.480 in. |
| Included | Set of 16 |
| Fitment | Honda H22A / F20B (Prelude) |
| Part Number | 312-05-0015 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 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.
