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GSC Power-Division billet S1 camshafts for the USDM STi and WRX with Intake only AVCS. These will not drop any low end power, and will create more power and torque across the entire RPM range. Good for stock frame upgraded turbos or up to 500 WHP upgrades. Upgraded valve springs are required; beehive valve springs are recommended, but not required.
| 7025S1 | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
| Intake | 264° | 226° | 10.80mm | 125° |
| Exhaust | 264° | 222° | 10.50mm | 115° |
Notes:
*Proper break in and running high zinc oil is a must on flat tappet engines.
*Must be installed by an experienced technician
*Requires upgraded valve springs*
*Photos for marketing purposes only. Actual product may vary in appearance / style.

Ships within 48 hours · Estimated delivery Jun 19 - Jun 24
US$40
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