The Stage 1 Supercharger HRT 221/243 Hydraulic Roller Cam Kit is the perfect choice for 5.7L stock bottom end and 2.5L or smaller blowers. Excellent throttle response and great power. Requires DOD to be disabled.
Fits 2003-2008 5.7L & 2005-2010 6.1L.
Specifications:
- RPM Operating Range: 1,800-6,600
- Cam Type: Hydraulic Roller
- Lifter Style: Hydraulic Roller
- Camshaft Series: HRT
- Stage: 1
- Usage: Street/Strip
- Valve Springs Required: Yes
- Advertised Intake Duration: 279
- Advertised Exhaust Duration: 291
- Intake Duration at .050 Inch Lift: 221
- Exhaust Duration at .050 Inch Lift: 233
- Intake Valve Lift: 0.594
- Exhaust Valve Lift: 0.594
- Lobe Separation: 116
- Estimated Horsepower Gain with Kit: 100