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If you have then chances are pretty darn good that you've rounded off the allen fitting in the stock cam pulley bolts
2011 Subaru Impreza WRX 2
Increased clamp loads give the necessary capacity to handle higher power outputs
8mm thick (
GSC Stage 1 EJ255-EJ257 Billet Camshaft Set (Intake AVCS) Breather Caps and Fittings If you have then chances*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
