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..

MANUFACTURER PART # 313-05-9100

Spec:

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”

Condition:  100% Brand New, Never Used or Installed
Availability: Direct drop ship from their authorized distributor


Fitment: 

Honda K20C1 (2015-2023 Honda Civic Type R , FK2 FK8 FL5)

Honda K20C4  (2018-2022 Honda Accord 2.0T) (2019-2022 Acura RDX)

ATTENTION: Return Conditions for a Full Refund

Please read our 30 days return policy carefully. To be eligible for a full refund, your return must meet the following requirements:

MUST BE BRAND NEW: The part must be in brand new, unused, and uninstalled condition, free of any marks, scratches, or signs of installation (e.g., grease, tool marks).

MUST HAVE ORIGINAL BOX: The part must be returned in the original, undamaged Action Clutch product box. Please do not write on, tape, or place shipping labels directly on the product box.

Items returned in a used, installed, or damaged condition, or with a damaged/missing original box, will be subject to a restocking fee or may be rejected. We recommend inspecting your item upon delivery and contacting us immediately with any concerns.