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GSC SWAG
Categories
- BMW
- Audi
- Toyota
- Subaru
- Mitsubishi
- Nissan
- Honda
- Ford
- Hyundai Genesis
- CAN-AM
- Mazda
- Dodge
- Porsche
- GM
- Lamborghini
- GSC SWAG
- BMW
- Audi
- Toyota
- Subaru
- Mitsubishi
- Nissan
- Honda
- Ford
- Hyundai Genesis
- CAN-AM
- Mazda
- Dodge
- Porsche
- GM
- Lamborghini
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GSC SWAG
GSC Power-Division billet camshafts for the 2008+ STI EJ257B With Dual AVCS
3 products






GSC Power Division Billet S3 Camshaft set for Subaru EJ257 Dual AVCS
GSC7026S3
Regular price £1,175.15 Sale price £1,082.90 Save £92.25GSC Power Division billet S3 camshafts for the 08+ Subaru STi EJ257 with Dual AVCS. These camshafts are built to suit high horsepower cars with a power range of 750-1000 WHP and a rev range of 4500-9500 RPMs. Specific engine modifications are required to utilize the true potential of these camshafts including a built bottom-end (sleeved or closed deck reccomended), built/ported heads (casting must be clearanced for higher lift), GSC Power Division Billet S3 Camshaft and upgraded valve springs. A standalone ECU or tune with speed density is highly reccomended in order for proper idle characteristics.
- Check Pictures for cam placement. Long nose = Left Side, short nose = Right Side
- Due to the lobe size head castings will need to be machined down for clearance - Please check during install
- Proper break in and running high zinc oil is a must on flat tappet engines
- Must be installed by an experienced technician
- Check AVCS advance during install - must be done by experienced engine builder
7026S3 | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
Intake | 280° | 240° | 11.55mm | 130° |
Exhaust | 280° | 241° | 11.60mm | 128° |








GSC Billet S1 Camshaft set for Subaru EJ257 Dual AVCS
GSC7026S1
Regular price £1,227.40 Sale price £1,131.05 Save £96.35GSC Power Division Billet S1 Camshaft Subaru 2008+ STI EJ257B With Dual AVCS. Good for stock frame turbo or up to 500 WHP (GT35R) upgrades. Upgraded valve springs are required; GSC Power Division Billet S1 Camshaft Subaru 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 filed down slightly for clearance - Please check during install
7026S1 | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
Intake | 264° | 226° | 10.80mm | 125° |
Exhaust | 264° | 222° | 10.50mm | 128° |








GSC Billet S2 Camshaft set for Subaru EJ257 Dual AVCS
GSC7026S2
Regular price £1,175.15 Sale price £1,082.90 Save £92.25GSC Power Division billet S2 camshafts for the 08+ Subaru STi EJ257 with Dual AVCS. These cams are built to suit the higher horsepower Subis. With a power range of 500 WHP and up, you need some certain mods to utilize the true potential of the S2s: built motor, with a built/ported head, and a good engine management system. Upgraded valve springs are required; beehive valve springs are recommended but not required. GSC Power Division Billet S2 Camshaft
- Check Pictures for 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 - Please check during install
- Proper break in and running high zinc oil is a must on flat tappet engines
- Must be installed by an experienced technician
7026S2 | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
Intake | 272° | 233° | 10.80mm | 125° |
Exhaust | 272° | 233° | 10.50mm | 128° |