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

GSC7026S2
GSC7026S2
Camshafts
Out of stock
$ 1,245.50 $ 1,058.68

SKU: 7026S2

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

GSC Power-Division S2 Primary camshaft set delivers precise power gains for 2008+ Subaru WRX STI models with EJ257 Dual AVCS engines. These 272/272 degree billet cams increase mid-range torque and extend RPM limits beyond stock for aggressive street and track performance. Ideal for turbo setups targeting 350-500 wheel horsepower.

Key Features

  • Billet 8620 Construction: Forged cores with proprietary GSC steel alloy ensure durability under high boost and RPM abuse
  • Intake Specs: 272° duration at 1mm lift with 12.50mm max lift for strong mid-range pull and top-end power
  • Exhaust Specs: 272° duration at 1mm lift with 11.50mm max lift optimizes exhaust flow and spool
  • Dual AVCS Compatible: Profiles tuned specifically for EJ257 variable valve timing heads
  • Power Band: Focuses on 4000-8500 RPM range to support larger turbos and E85 fuel tunes

Product Notes

  • Valve spring upgrade required such as GSC7016S or GSC7017S for safe operation above 8000 RPM
  • Pair with ported heads and upgraded timing components for best results
  • Ships in protective foam-lined box to prevent damage

Installation Notes

  • Professional installation recommended.
  • Requires removal of stock cams timing belt and AVCS actuators
  • Compatible with OEM cam trays and GSC timing kits

This Part Fits

Year Make Model Submodel
2008-2014 Subaru Impreza WRX STI
2015-2016 Subaru WRX STI Base
2015 Subaru WRX STI Launch Edition
2015-2016 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue
2017-2021 Subaru WRX STI All

Why Choose GSC Power-Division?

  • Proven in Formula Drift and rallycross racing
  • CNC-ground profiles for exact lobe accuracy
  • Backed by 1-year unlimited mileage warranty

Frequently Asked Questions

  • Q: Will these cams fit my 2008 STI with EJ257 Dual AVCS?
    A: Yes designed specifically for 2008+ EJ257 Dual AVCS heads including all WRX STI variants up to 2021
  • Q: What material are the cams made from?
    A: Billet 8620 steel cores with GSC custom alloy for superior strength and heat resistance
  • Q: Do I need upgraded valve springs?
    A: Yes GSC7016S Super Alloy or GSC7017S Titanium springs required to match high-lift profiles

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Foam-lined box 24 x 6 x 4 inches
  • Weight: 5.4 lbs

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