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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 # 54-273-11SKU COM54-273-11

Universal fit

Specifications
BrandCOMP Cams
Part typeEngine Camshaft
Advance5
Advertised Exhaust Duration278 deg
Advertised Intake Duration271 deg
Basic Operating RPM Range2500 - 6300
Cam TypeHydraulic Roller
Camshaft Intake Centerline106
Camshaft SeriesHV
Computer Controlled CompatibleYes
Direct InjectionNo
Engine PlatformGM LS GEN III/IV
Exhaust Close ATDC-3
Exhaust Duration at .050 inch Lift226 deg
Exhaust Lobe Lift0.335
Exhaust Open BBDC49
Exhaust Valve LashHyd
Exhaust Valve Lift0.57 in
Exhaust Valve Lift with Factory Rocker Arm Ratio0.57 in
Factory Rocker Ratio1.7
Fuel Management Strategy CompatibleNo
Grind NumberLS271HV11
Intake Close ABDC35
Intake Duration at .050 Inch Lift218 deg
Intake Lobe Lift0.338
Intake Open BTDC3
Intake Valve LashHyd
Intake Valve Lift0.575 in
Intake Valve Lift with Factory Rocker Arm Ratio0.575 in
Lifter TypeRoller Tappet
Lobe Separation111 deg
Phaser RequirementNone
UPC / GTIN00036584426615

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.