Skunk2 K-Series Alpha Valve Spring Set K-series Clearance40 superior response and excellent boost

superior response and excellent boost holding capability for its size

tapered plenum that together preserve mid-range power but increase and accelerate airflow to allow for significant top-end gains

50 thread (may fit other applications)

s may produce dragging noises from the drive wheels

consider using Exoracing's aluminium vice jaw inserts

Skunk2 K-Series Alpha Valve Spring Set K-series Clearance40 superior response and excellent boostManufactured 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