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Skunk2 Ultra Valve Springs and Spring Base Kit |Civic Type R FK8 FL5 | 313-05-9100
Skunk2 Ultra Valve Springs and Spring Base Kit | Honda Civic Type R FK8 FL5
Skunk2 Honda K20C1/K20C4 Ultra Valve Springs and Spring Base Kit. All Skunk2 valve springs control are made from super-clean high tensile strength chrome-silicone wire, shot peen stress relieved, and heat treated to provide consistent and reliable long term performance. Skunk2 Valve springs allow for improved engine valve control and additional cam lift beyond what is possible with OEM valve springs, and are required when running High-Lift performance camshafts.
Installed Height: 1.450”
Seat Pressure: 83 LBS
Open Pressure: 215 LBS
Coil Bind: .926”
Spring Rate: 269 LBS/IN
Max Lift: .500”
*Note: Spring base thickness – Intake .380” / Exhaust .300”
