Skunk2 Alpha Series Valve Spring Set – B-Series VTEC

Skunk2 Alpha Series Valve Spring Set – B-Series VTEC

The Skunk2 Alpha Series Valve Spring Set is designed for Honda and Acura B-series VTEC engines, offering the stability and control needed for high-RPM performance. Precision-wound from premium chrome-silicone wire, these dual valve springs deliver consistent pressure and long-term durability in demanding street or race applications.

Each spring is engineered to handle increased lift and aggressive cam profiles while preventing valve float at engine speeds exceeding 10,000 RPM. The dual-spring design ensures optimal seat pressure and reliability for both naturally aspirated and forced-induction builds.

Specifications:

• Seat Pressure: 68 lbs at 1.320″ installed height

• Open Pressure: 210 lbs at 0.820″ installed height

• Coil Bind Height: 0.800″

• Dual-spring construction for enhanced stability and longevity

Applications:

• Honda Civic SiR (92–00) B16A

• Acura Integra GS-R / Type R (94–01) B18C

• Compatible with all Honda B-series VTEC cylinder heads

Factory Part Number: 311-05-1350