Skunk2 K-Series Alpha Valve Spring Set K-series HKS The Mugen side skirts set

The Mugen side skirts set are a vacuum moulded PPE styling piece available either pre-painted black or in an unpainted finish

No further programming is needed

with far more surface area than the stock panel filter

Before assembly

Skunk2 K-Series Alpha Valve Spring Set K-series HKS The Mugen side skirts setManufactured exclusively from super clean, chrome silicone wire milled in Japan, Skunk2s Alpha Valve Springs for Honda's K Series engines are a product of the companys years of racing and engine building experiences. By using inner and outer springs mated together through a slight interference fit and with differing frequencies, Alpha Valve Springs are able to prevent valve float and maintain valvetrain stability at engine speeds in excess of 10,000