Skunk2 Alpha Series intake and exhaust valve set for the Honda K20C1 engine found in the 2017-up Civic Type R, configured for standard compression. The valves are forged one-piece from HNV3 martensitic steel (intake) and EV8 austenitic steel (exhaust), heat-treated and hard-chrome plated with airflow-optimized head profiles. Sold as a complete valve set.
| Type | Engine valve set |
| Series | Alpha Series (standard compression) |
| Engine | Honda K20C1 (Civic Type R) |
| Head Diameter | 35mm intake / 29mm exhaust |
| Material | HNV3 / EV8 one-piece forged, hard-chrome plated |
| Part Number | 310-05-2000 |
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.
