This Brian Crower left-side exhaust camshaft is specified for 2004–2007 Subaru WRX STi and 2006–2007 WRX EJ257 engines and is sold as the single left exhaust cam. The listing identifies it as a direct component replacement for the specified Subaru EJ257 applications and is intended for valve timing and valvetrain use where a left-side exhaust camshaft is required.
Brian Crower 04-07 Subaru STi / 06-07 WRX EJ257 Left Side Exhaust Cam ONLY