GSC P-D 2008+ Subaru STi (EJ257 w/Dual AVCS) S2 Cams 272/272 Billet - 7026S2

GSC Power-Division billet S2 camshafts for the 2008-2021 Subaru STi EJ257 with Dual AVCS. These cams are built to suit the higher horsepower Subis. With a power range of 500 WHP and up, you need some certain mods to utilize the true potential of the S2s: built motor, with a built/ported head, and a good engine management system. Upgraded valve springs are required beehive valve springs are recommended but not required.

Features:

• Intake:
  • ADV Duration: 272??
  • Duration @ 0.040: 233??
  • Peak Lift: 10.80mm
  • Center Line: 125??
• Exhaust:
  • ADV Duration: 272??
  • Duration @ 0.040: 233??
  • Peak Lift: 10.50mm
  • Center Line: 128??

• 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