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
- Intake/Exhaust Adv Dur - 264/264
- Intake/Exhaust Dur @ .040" - 226/222
- Peak Lift - 10.80mm/10.50mm
- Center Line - 125/128
- Good for stock frame turbo or up to 500 WHP
- 2008-2020 Subaru STI
What's In The Box?
- (4) Camshafts
- Manufacturer Standard Warranty
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