Product Description
- 2008-2014 STi
- 2015-2018 STi
- Brand: GSC Power-Division
- Manufacturer's Part Number: 7026S3
- Disclaimer: This product is intended for OFF ROAD use only and may not be legal for street use.
- Off Road Use Only?: This product is intended for OFF ROAD use only and may not be legal for street use.
- Condition: New Product
FITMENTS:
Subaru
| Manufacturer's Description: GSC 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), and upgraded valve springs. A standalone ECU or tune with speed density is highly reccomended in order for proper idle characteristics. GSC 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), 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 |
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