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The GSC Power Division billet S1 intake camshaft is specified for 2008+ Subaru STi right‑bank applications, listed as 266/264. Machined from billet material, this right‑bank intake cam is intended as a direct camshaft upgrade for performance builds that require the S1 profile. Installers should verify companion parts and valve‑train setup to ensure proper timing and compatibility with the right‑bank camshaft.
GSC P-D 08+ Subaru STi S1 Cams 266/264 Billet - Right Bank Intake
