• GSC Power-Division 08-21 STI S1 Billet Camshaft Set | 7026S1

GSC Power Division

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S1 Billet Camshaft Set

Fits: 08-21 WRX STI

$1,05868
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Pay over time available · Est. $33.08/payment
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Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

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GSC Power Division S1 Billet Camshaft Set
Fits: 08-21 WRX STI
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Fitment

Please Note: EJ257B engine with dual AVCS. Upgraded valve springs are required. Due to the lobe size, head castings will need to be filed down slightly for clearance; check during install. Verify fitment before purchase.
  • 2008–2021 Subaru | WRX STI

Description

The GSC Power Division S1 Billet Camshaft Set is for the 2008-2021 Subaru WRX STI EJ257B with dual AVCS, for stock frame turbo or up to 500 WHP (GT35R) upgrades. Upgraded valve springs are required; beehive valve springs are recommended but not required.

  • Billet S1 camshaft set for the EJ257B with dual AVCS
  • For stock frame turbo or up to 500 WHP (GT35R) upgrades
  • Upgraded valve springs are required; beehive valve springs are recommended but not required
  • 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; check during install
  • Part Number: 7026S1

Q&A

Does this fit my car?
This camshaft set is listed for the 2008-2021 Subaru WRX STI with the EJ257B engine and dual AVCS; verify fitment before purchase.

Are upgraded valve springs required?
Yes. The manufacturer states upgraded valve springs are required, and beehive valve springs are recommended but not required.

What installation notes apply?
Due to the lobe size, head castings will need to be filed down slightly for clearance; check during install.

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