Adjustable Cam Gear Exhaust LH Subaru Single AVCS Motors STI 2004-2007 / WRX 2006-2014

Adjustable Cam Gears allow fine tuning of the camshaft timing to maximize engine performance and tailor power characteristics for various driving conditions. Whether you have OEM or aftermarket Camshafts, adjustments can be made to tune an engine's power band to the optimum RPM range for a particular application.

This is for single AVCS cars and for the left hand side only. You will also need to purchase the right hand side to complete the installation.

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