GSC Power Division billet S2 left exhaust camshaft is produced for 2004–2007 Subaru STI and 2006–2007 2.5L WRX engines as described. The listing specifies a left exhaust cam in the S2 profile and a billet construction cue in the name, providing a direct application part for builds or replacements that require the left exhaust cam for those model years and engine platforms.
GSC P-D 2006-2007 2.5L Subaru WRX / 2004-2007 Subaru STi S2 Cams 272 Billet (Left Exhaust Cam Only)