GSC Power-Division billet S1 cams for the Toyota 1JZ-GTE. 
- Designed for a rev range of 3500-7500 RPMs
- 700 WHP camshaft set
- Idle slightly rougher than stock
 
 
| 7028S1 | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line | 
| Intake | 260° | 222° | 9.60mm | 108° | 
| Exhaust | 262° | 224° | 9.70mm | 116° |