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Choose Your Car 
GSC Power-Division S1 Camshafts | 2008-2021 Subaru STI (7026S1)


GSC Power-Division

GSC Power-Division S1 Camshafts | 2008-2021 Subaru STI

PART# GSC 7026S1
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Email - sales@maperformance.com

Phone 1-888-627-3736


$998.75   $1,175.00
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Billet S1 Camshaft set for Subaru EJ257 Dual AVCS

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.

NOTE: Due to the lobe size, head castings will need to be filed down slightly for clearance - Please check during install

Features

  • Intake/Exhaust Adv Dur - 264/264
  • Intake/Exhaust Dur @ .040" - 226/222
  • Peak Lift - 10.80mm/10.50mm
  • Center Line - 125/128

Benefits

  • Good for stock frame turbo or up to 500 WHP

Applications

  • 2008-2021 Subaru STI

What's In The Box?

  • (4) Camshafts

Warranty

  • Manufacturer Standard Warranty

Billet S1 Camshaft set for Subaru EJ257 Dual AVCS

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.

NOTE: Due to the lobe size, head castings will need to be filed down slightly for clearance - Please check during install

Features

  • Intake/Exhaust Adv Dur - 264/264
  • Intake/Exhaust Dur @ .040" - 226/222
  • Peak Lift - 10.80mm/10.50mm
  • Center Line - 125/128

Benefits

  • Good for stock frame turbo or up to 500 WHP

Applications

  • 2008-2021 Subaru STI

What's In The Box?

  • (4) Camshafts

Warranty

  • Manufacturer Standard Warranty

Customer Reviews

Based on 1 review
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J
JPNBXR08
Best cams for 300 - 500hp Sti's...

Was debating between this and kelford's … end up giving GSC a try that I'm glad I did! 100% better than stocks + no issues (tuned) and all business!

MAP Limited Lifetime Warranty

1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

For warranty evaluation please create a support ticket via this form Click Here For Customer Service.