Skunk2 Honda K20C1/K20C4 Ultra Valve Springs and Spring Base Kit (313-05-9100) 1567 Thermostatic Bypass Plate - Prevents

Thermostatic Bypass Plate - Prevents Overcooling of Oil

This makes for a true plug-and-play installation that does not interfere with aftermarket performance aero modifications

Heavy Duty Black or Red Wrinkle Powdercoat Finish

Utilizes a progressive VC-50 boost controller for proportional injection based on boost pressure

The AMS Engineering Team went to work by dissecting and testing ALL of the factory components and lines in our fuel flow test cell

Skunk2 Honda K20C1/K20C4 Ultra Valve Springs and Spring Base Kit (313-05-9100) 1567 Thermostatic Bypass Plate - PreventsThe Skunk2 Ultra Valve Springs and Spring Base Kit for Honda K20C1 K20C4 engines are designed for high performance applications that require upgraded valve springs to handle increased valve lift and higher engine speeds. The kit features specially engineered, ultra lightweight valve springs that are made from super clean chrome silicone wire, shot peened, and heat treated to maximize fatigue resistance and spring life. The valve springs' unique design