GSC Stage 1 EJ255-EJ257 Billet Camshaft Set (Intake AVCS) FA20 Timing Parts The Outfront Motorsports 575 Cylinder

The Outfront Motorsports 575 Cylinder Heads are the perfect entry level replacement heads if you had a failure requiring you to completely replace heads or if you just want brand new heads outright

2005-2009 Legacy GT must use a 2006-2007 WRX flywheel for proper fitment

Kelford Cams recommend valve spring upgrade KVS1847-BT

Maximum Advance

GSC Stage 1 EJ255-EJ257 Billet Camshaft Set (Intake AVCS) FA20 Timing Parts The Outfront Motorsports 575 Cylinder*Check Pictures for cam placement. Long nose= Left Side, short nose Right Side **Due to the lobe size, head castings may need to be filled down slightly for clearance. Please check during install. Intake 268 225 @ . 040" Peak Lift 10. 8mm Centerline AVCS Exhaust 266 225 @ . 040" Peak Lift 10. 4mm Centerline 113 *Proper break in and running high zinc oil is a must on flat tappet engines. Must be installed by an experienced technician* *Requires