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Billet S3 Camshaft set for Subaru EJ257 Dual AVCS

Billet S3 Camshaft set for Subaru EJ257 Dual AVCS
 
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Part GSC7026S3
Quantity in stock 1 item(s) available
Weight 18.00 lbs
Price: $1175.00
Quantity (1 available)

GSC Power-Division billet S3 camshafts for the 08+ Subaru STi EJ257 with Dual AVCS. These cams are built to suit the high horsepower drag Subis. With a power range of 750-1000 WHP and a rev range of 4500-9500 RPMs, you need some certain mods to utilize the true potential of the S3s: built motor, with a built/ported head (clearanced for lift), and a standalone engine management system. Upgraded valve springs are required; beehive valve springs are recommended but not required.

  • Check Pictures for cam placement. Long nose = Left Side, short nose = Right Side
  • Due to the lobe size, head castings will need to be filed down slightly for clearance - Please check during install
  • Proper break in and running high zinc oil is a must on flat tappet engines
  • Must be installed by an experienced technician
  • Check AVCS advance during install - must be done by experienced engine builder
7026S3 ADV Duration Duration @ 0.040" Peak Lift Center Line
Intake 280° 240° 11.55mm 130°
Exhaust 280° 241° 11.60mm 128°
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