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COMP Cams HV Cam 218/226 .575/.570 Hydraulic Roller for Gen III/IV 4.8L/5.3L/6.0L
Part # 54-273-11
Description
This COMP Cams® HV cam is designed for GM cathedral port 4.8L/5.3L/6.0L powered vehicles. It provides amazing drivability and throttle response while also requiring minimal tuning. Torque is increased across the entire operating range while still producing +79 horsepower at peak. Get the most out of your daily d river truck, SUV or 4x4 without sacrificing street manners. The HV cam will provide a deep rumble with a mild, yet 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
| Advance | 5 |
|---|---|
| Advertised Exhaust Duration | 278 deg |
| Advertised Intake Duration | 271 deg |
| Basic Operating RPM Range | 2500 - 6300 |
| Cam Type | Hydraulic Roller |
| Camshaft Intake Centerline | 106 |
| Camshaft Series | HV |
| Computer Controlled Compatible | Yes |
| Direct Injection | No |
| Engine Platform | GM LS GEN III/IV |
| Exhaust Close ATDC | -3 |
| Exhaust Duration at .050 inch Lift | 226 deg |
| Exhaust Lobe Lift | 0.335 |
| Exhaust Open BBDC | 49 |
| Exhaust Valve Lash | Hyd |
| Exhaust Valve Lift | 0.57 in |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.57 in |
| Factory Rocker Ratio | 1.7 |
| Fuel Management Strategy Compatible | No |
| Grind Number | LS271HV11 |
| Intake Close ABDC | 35 |
| Intake Duration at .050 Inch Lift | 218 deg |
| Intake Lobe Lift | 0.338 |
| Intake Open BTDC | 3 |
| Intake Valve Lash | Hyd |
| Intake Valve Lift | 0.575 in |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.575 in |
| Lifter Type | Roller Tappet |
| Lobe Separation | 111 deg |
| Phaser Requirement | None |
| UPC / GTIN | 00036584426615 |