SKUNK2 K-SERIES ALPHA VALVE SPRINGSManufactured exclusively from super clean, chrome silicone wire milled in Japan, Skunk2s Alpha Valve Springs for Honda's K20 K24 & F20C F22C VTEC 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