GSC Billet S1 Camshaft - Dual AVCS (08+ STI)

GSC 7000 Series Full Billet Camshafts are 100% in-house cut and ground on the newest, most precise CNC machines available. The 7000 Series camshafts take the import valve train market to another level, being the only readily available and affordable billet camshafts for sport compact/import performance cars.

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.

Weight
19.00 lbs
SKU
GSC7026S1
Weight
19.00 lbs
Our Price: $998.75

The lobe profiles are still the same spec GSC Power-Division is known for worldwide, giving the best power gains and smoothest drivability out of anyone in the industry. Appearance wise the new dark nitride coating aids in wear/fatigue resistance, lubricity, and superior corrosion resistance. The 7000 Series camshafts have raised the bar and will be the cams that all others will be judged against.

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.

 

  ADV Duration Duration @ 0.040" Peak Lift Center Line
Intake 264 226 10.80mm 125
Exhaust 264 222 10.50mm 128

 

  • 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 filled down slightly for clearance.

Install to OEM shim spec's for intake and exhaust

 

Vehicle Fitment

  • 2008+ Subaru STI

warning_symbolWARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to https://www.P65Warnings.ca.gov/passenger-vehicle.

Weight
19.00 lbs
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