COMP Cams 54-275-11 HV Cam 226/234 .575/.570 Hyd Roller for GEN III/IV 4.8L/5.3L/6.0L
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This COMP Cams HV cam is designed with a focus towardeither drivability, towing and response in largerdisplacement (6.0L up) engines or moving peak torque tohigher RPM in smaller displacement (4.8L & 5.3L) applications.
This COMP Cams HV cam is designed with a focus toward either drivability, towing and response in larger displacement (6.0L up) engines or moving peak torque to higher RPM in smaller displacement (4.8L & 5.3L) applications. Awesome performance gains with +94 horsepower at peak and increased torque from 2800 rpm up. Get the most out of your cruiser or daily driver while enjoying great street manners. The HV cam will provide a deep rumble with a noticeable lope. At .575" lift, this cam is designed to take advantage of the inexpensive 26906 valve spring upgrade. Also compatible with stock converters.
Specifications
| Advertised Exhaust Duration | 286 DD |
| Camshaft Series | HV |
| Advertised Intake Duration | 279 DD |
| Usage | Street |
| Cam Type | Hydraulic Roller |
| Exhaust Duration at .050 inch Lift | 234 DD |
| Cam Type | Hydraulic Roller |
| Exhaust Valve Lift | 0.57 IN |
| Lifter Type | Roller Tappet |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.57 IN |
| Camshaft Intake Centerline | 108 |
| Intake Duration at .050 Inch Lift | 226 DD |
| Advertised Intake Duration | 279 |
| Intake Valve Lift | 0.575 IN |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.575 IN |
| Advertised Exhaust Duration | 286 |
| Intake Duration at .050 Inch Lift | 226 |
| Lifter Type | Hydraulic Roller |
| Exhaust Duration at .050 inch Lift | 234 |
| Intake Lobe Lift | 0.338 |
| Exhaust Lobe Lift | 0.335 |
| Lobe Separation | 112.5 |
| Advance | 4.5 |
| Exhaust Open BBDC | 54 |
| Intake Open BTDC | 5 |
| Exhaust Close ATDC | 0 |
| Intake Close ABDC | 41 |
| Factory Rocker Ratio | 1.7 |
| Intake Valve Lash | Hyd |
| Exhaust Valve Lash | Hyd |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.575 |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.57 |
| Basic Operating RPM Range | 2700 - 6500 |
| Direct Injection | No |
| VVT Compatible | No |
| Phaser Requirement | None |
| Fuel Management Strategy Compatible | No |
| Computer Controlled Compatible | Yes |
| Valve Springs Required | Yes |
| Engine Platform | GM LS GEN III/IV |
| Lobe Separation | 112 DD |
| Grind Number | LS279HV12 |
| Grind Number | LS279HV12 |
⚠️ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.
Warranty: 12 Months
Please check the product description for the manufacturer’s application details, or ask a specialist — we’ll confirm whether it fits your vehicle before you buy.
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