GSC Stage 1 EJ255-EJ257 Billet Camshaft Set (Intake AVCS) FA20 Timing Parts Ignition trim and configurable trim

Ignition trim and configurable trim decay

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

pilot bearing and alignment tool

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New OEM Subaru Heat Treated Crankshaft

GSC Stage 1 EJ255-EJ257 Billet Camshaft Set (Intake AVCS) FA20 Timing Parts Ignition trim and configurable trim*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