GSC Power Division S1 Billet Performance Camshaft Kit STi V7 - V9 Non DBW exterior_mirrors The thin walled steel insert

The thin walled steel insert is threaded into the work piece and is then locked in place with an expansion tool

reduces cooling abilities and causes general wear and tear

The RCM Billet Timing belt guide has been precision crafted using advanced CNC machining methods for the perfect fitment

5 2005-2007 SUBARU IMPREZA GH8: Hatch WRX 2

meaning no modification is required

GSC Power Division S1 Billet Performance Camshaft Kit STi V7 - V9 Non DBW exterior_mirrors The thin walled steel insertGSC Power Division Billet S1 camshafts for the Subaru EJ207 Version 7 and above with single AVCS. These will not drop any low end power, and will create more power and torque across the entire RPM range. Good for stock frame upgraded turbos or up to 500 WHP upgrades. Upgraded valve springs are required. Part Number: GSC7027S1