GSC Stage 1 EJ20 Billet Camshaft Set Without AVCS Breather Plumbing and Fittings 2007 Subaru Impreza WRX STI

2007 Subaru Impreza WRX STI 2

Part Number: SB5137-905+

User Configurable RPM Limits based on external input

The GSC Power-Division Dual Conical Valve Spring Kit with Ti Retainer & Chromoly Seats for the Subaru EJ platforms includes 16 titanium retainers

5L AT 4WD RSPRO Sedan 2005

GSC Stage 1 EJ20 Billet Camshaft Set Without AVCS Breather Plumbing and Fittings 2007 Subaru Impreza WRX STI*Check Pictures for cam placement. Long nose= Left Side, short nose Right Side *Requires upgraded valve springs* Intake 266 222 @ . 040" Peak Lift 9. 6 MM Exhaust 266 222 @ . 040" Peak Lift 9. 6 mm *Requires upgraded valve springs* Install to OEM shim specs for intake and exhaust