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GSC Power Division S1 intake camshaft for Subaru applications fits 2006–2007 WRX 2.5L and 2004–2007 STI models as the right-side intake cam only. This camshaft provides the S1 intake profile intended for those specific Subaru cylinder heads and must be paired with the complementary cam components required for a staged cam upgrade or replacement on the right intake bank.
GSC P-D 06-07 Subaru WRX 2.5L/ 04-07 Subaru STI S1 Cam - Right Intake Only
