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COMP Cams 54-273-11 - GM LS3/LS4 HV Series Camshaft

COMP Cams 54-273-11 - GM LS3/LS4 HV Series Camshaft

COMP Cams 54-273-11

$570.89 $518.99
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Part Number:
54-273-11
SKU:
COMP-54-273-11
UPC:
036584426615
Availability:
IN STOCK AND READY TO SHIP

COMP Cams - 54-273-11

Camshaft - Hydraulic Roller - Lift 0.575 in / 0.570 in - Duration 271 / 278 - 111 LSA - 2500 / 6300 RPM - GM LS-Series - Each

This COMP Cams® 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.

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.

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: 2500 - 6300
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
Advertised Exhaust Duration: 278
Camshaft Series: HV
Advertised Intake Duration: 271
Usage: Street
Cam Type: Hydraulic Roller
Exhaust Duration at .050 inch Lift: 226
Cam Grind #: LS271HV11
Cam Type: Hydraulic Roller
Exhaust Valve Lift: 0.57
Lifter Type: Roller Tappet
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.57
Camshaft Intake Centerline: 106
Intake Duration at .050 Inch Lift: 218
Advertised Intake Duration: 271
Intake Valve Lift: 0.575
Intake Valve Lift with Factory Rocker Arm Ratio: 0.575
Advertised Exhaust Duration: 278
Intake Duration at .050 Inch Lift: 218
Lifter Type: Hydraulic Roller
Lobe Separation: 111
Exhaust Duration at .050 inch Lift: 226
Intake Lobe Lift: 0.338
Exhaust Lobe Lift: 0.335
Lobe Separation: 111
Advance: 5
Exhaust Open BBDC: 49
Intake Open BTDC: 3
Exhaust Close ATDC: -3
Intake Close ABDC: 35
Factory Rocker Ratio: 1.7
Intake Valve Lash: Hyd

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