• Billet S1 Camshaft set for Subaru EJ257 Dual AVCS
  • Billet S1 Camshaft set for Subaru EJ257 Dual AVCS
  • Billet S1 Camshaft set for Subaru EJ257 Dual AVCS
  • Billet S1 Camshaft set for Subaru EJ257 Dual AVCS
  • Billet S1 Camshaft set for Subaru EJ257 Dual AVCS
Billet S1 Camshaft set for Subaru EJ257 Dual AVCS
  • Billet S1 Camshaft set for Subaru EJ257 Dual AVCS
  • Billet S1 Camshaft set for Subaru EJ257 Dual AVCS
  • Billet S1 Camshaft set for Subaru EJ257 Dual AVCS
  • Billet S1 Camshaft set for Subaru EJ257 Dual AVCS
  • Billet S1 Camshaft set for Subaru EJ257 Dual AVCS

Billet S1 Camshaft set for Subaru EJ257 Dual AVCS

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GSC Power-Division billet S1 camshafts for the 2008+ STI EJ257B With Dual AVCS. Good for stock frame turbo or up to 500 WHP (GT35R) upgrades. Upgraded valve springs are required; Beehive valve springs are recommended but not required.

    • Part Number
      GSC7026S1
    • $1245.50
    Out of stock
    warning Warning: This product can expose you to chemicals including Nickel (Metallic), which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. More information on California Proposion 65 can be found on Proposion 65 Warnings and OEHHA websites.

    GSC Power-Division billet S1 camshafts for the 2008+ STI EJ257B With Dual AVCS. Good for stock frame turbo or up to 500 WHP (GT35R) upgrades. 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
    7026S1ADV DurationDuration @ 0.040"Peak LiftCenter Line
    Intake264°226°10.80mm125°
    Exhaust264°222°10.50mm128°
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