GSC Power-Division Billet Evo 1-3 and DSM S1 Camshafts
The GSC Power-Division billet S1 cams for the Mitsubishi DSM/EVO1-3 are designed for those with the stock turbo up to the GT30/50Trim. These cams will not sacrifice any bottom end loss over stock cams; nothing but gains and will promote faster spooling of the upgraded turbos. Gains of 30-55whp (depending on Turbo) have been seen by simply bolting the S1 cams in.

The GSC Power-Division billet S1 cams for the Mitsubishi DSM/EVO1-3 are designed for those with the stock turbo up to the GT30/50Trim. These cams will not sacrifice any bottom end loss over stock cams; nothing but gains, and will promote faster spooling of the upgraded turbos. Gains of 30-55 WHP (depending on turbo) have been seen by simply bolting the S1 cams in.
- Designed for a rev range of 3000-8000 RPMs
- 300-450 WHP camshaft
- Tapped for 98' DSM cam trigger
- Idle is slightly rougher than stock
- Upgraded valve spring recommended
- Made 100% in the USA
**If using aftermarket cam gears (especially AEM) check the bolt length. Some cam gears are too thick for the OEM bolt on the billet cams, a 40mm underhead length bolt may be necessary in this case**
7003S1 | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
Intake | 268° | 216° | 11.00mm | 107° |
Exhaust | 268° | 220° | 10.50mm | 112° |