P311-250C0CC 54-273-11 New
- HV Cam 218/226 .575/.570 Hyd Roller for GEN III/IV 4.8L/5.3L/6.0L
- This COMP CamsĀ® HV NSR 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.
- Product Attributes:
-
- Advance: 5
- Advertised Exhaust Duration: 278
- Advertised Intake Duration: 271
- Basic Operating RPM Range: 2500 - 6300
- California Proposition 65: Warning: Cancer And Reproductive Harm P65warnings.ca.gov
- Cam Grind #: Ls271hv11
- 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 Lobe Lift: 0.335
- Exhaust Open BBDC: 49
- Exhaust Valve Lash: Hyd
- Exhaust Valve Lift: 0.57
- Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.57
- Factory Rocker Ratio: 1.7
- Fuel Management Strategy Compatible: No
- Intake Close ABDC: 35
- Intake Duration at .050 Inch Lift: 218
- Intake Lobe Lift: 0.338
- Intake Open BTDC: 3
- Intake Valve Lash: Hyd
- Intake Valve Lift: 0.575
- Intake Valve Lift with Factory Rocker Arm Ratio: 0.575
- Lifter Type:
- Hydraulic Roller
- Roller Tappet
- Lobe Separation: 111
- Phaser Requirement: None
- Usage: Street
- Valve Springs Required: Yes
- VVT Compatible: No
- This COMP CamsĀ® 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 driver 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.