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HV Cam 218/226 .575/.570 Hyd Roller for GEN III/IV 4.8L/5.3L/6.0L

was $515.95 Special Price $412.76

This HV cam for GM cathedral port LS engines is designed to provide amazing drivability and throttle response in larger vehicles. Provides increased torque across the entire RPM range with a significant horsepower bump. Similar to the 54-271-11, with higher lift to take advantage of 26906 springs.

In stock
SKU
54-273-11

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 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.


Offers excellent drivability and throttle response while being easy to tune. Excellent choice for heavier daily driver vehicles (trucks/SUVs). Provides a deep rumble with a mild, yet noticeable lope. Needs 26906 springs and works with stock converters. +79 hp & +34 ft-lbs at peak over Gen IV 5.3L.

More Information
UPC 036584426615
Manufacturer COMP Cams®
Emissions Code
Engine Family GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range 2500 - 6300
Cam Type Hydraulic Roller
Camshaft Series HV
Recommended Lash Setting - Intake Hyd
Recommended Lash Setting - Exhaust Hyd
Usage Street
Valve Springs Required Yes
VVT Compatible No
Computer Controlled Compatible Yes
California Proposition 65 Yes
Advertised Intake Duration 271°
Advertised Exhaust Duration 278°
Intake Duration at .050 Inch Lift 218°
Exhaust Duration at .050 Inch Lift 226°
Intake Valve Lift 0.575in
Exhaust Valve Lift 0.570in
Lobe Lift Intake 0.338in
Lobe Lift Exhaust 0.335in
Lobe Separation 111°
Intake Centerline 106°
Exhaust Close ATDC -3°
Intake Open BTDC
Exhaust Open BBDC 49°
Intake Close ABDC 35°
Maximum Advance At Camshaft 5 deg
Direct Injection No
Phaser Requirement None
Fuel Management Strategy Compatible No
Lifter Type Roller Tappet
Make GM
Rocker Arm Ratio 1.7