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The Ferrea single spring kit for Honda Type‑R K20C1 turbo applications is a direct-replacement valve spring solution specifically matched to the K20C1 turbo cylinder head. Supplied as a single‑spring configuration, it provides the core hardware needed when replacing or upgrading valvetrain springs on Type‑R K20C1 turbo builds. Fitment targets the K20C1 Type‑R turbo application.
Ferrea Honda Type-R K20C1-Turbo Single Spring Kit
