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COMP Cams Engine Camshaft 54-457-11

SKU: 54-457-11

$541.95

COMP Cams Engine Camshaft 54-457-11

Low Maintenance
COMP Cams Engine Camshaft 54-457-11

Reduced Friction
COMP Cams Engine Camshaft 54-457-11

Limited 1 Year Warranty
COMP Cams Engine Camshaft 54-457-11

Reduced Valve Train Noise
COMP Cams Engine Camshaft 54-457-11

Aggressive Roller Profiles

Verified U.S. Supplier

Fitment Data Included

30-Day Returns
In stock 19

Prop 65 Warning

WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov

Emissions & Compliance

Emissions Compliance Exempt
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COMP Cams Engine Camshaft 54-457-11

$541.95

$541.95

GMC Gen III LS Engines

Engine Compatibility

Hydraulic Roller

Type

223 Degree

Intake Duration At 0.050 Inch Lift (DEG)

Product Description

Frequently used in today’s OEM factory Engines and mild to moderately aggressive performance engines, hydraulic roller cams use lifters equipped with a roller wheel that tracks along the Camshaft lobe, reducing wear and friction and enabling faster lobe ramp rates than flat tappet Cams. These quiet operation lifters feature the same internal design as hydraulic flat tappet lifters with internal cavities and pistons but do not rotate within the lifter bore. Suited for typical street or moderate race Engine speeds, the lifters are pre loaded and do not require a lash setting. Most OEM hydraulic roller Camshafts are limited to 6200 RPM and performance aftermarket systems to approximately 6800 RPM. Hydraulic roller lifters require an appropriately selected Valve Spring to maintain control and avoid lifter float at higher Engine RPM. Hydraulic roller lifters can be re used with multiple Camshafts, however they are more costly than flat tappet lifters.

Specifications

Engine Compatibility
GMC Gen III LS Engines
Recommended Use
Mild Street Performance To Mild Race
Type
Hydraulic Roller
Intake Duration At 0.050 Inch Lift (DEG)
223 Degree
Exhaust Duration At 0.050 Inch Lift (DEG)
231 Degree
Intake Centerline Angle (DEG)
107 Degree
Intake Valve Lift (IN)
0.61 Inch
Exhaust Valve Lift (IN)
0.617 Inch
Lobe Separation Angle (DEG)
112 Degree
RPM - Low
1700
RPM - High
6800
Advertised Intake Duration (DEG)
273 Degree
Advertised Exhaust Duration (DEG)
281 Degree
Grind Number
273LR HR12
Computer-Controlled Compatible
No

Fitment / Application

1900 Chevrolet LS Small Block Gen 3 1997-2007
1900 Chevrolet LS Small Block Gen 4 2005+
2002-2006 Cadillac Escalade V8; 6.0L/5967; GAS; MFI
2002-2005 Cadillac Escalade V8; 5.3L/5328; GAS; MFI
2002-2006 Cadillac Escalade EXT V8; 6.0L/5967; GAS; MFI
2003-2006 Cadillac Escalade ESV V8; 6.0L/5967; GAS; MFI
2003-2006 GMC Envoy XL V8; 5.3L/5328; GAS; MFI
2003-2006 GMC Savana 1500 V8; 5.3L/5328; GAS; MFI
2004-2007 Buick Rainier V8; 5.3L/5328; GAS; MFI
2004-2005 GMC Envoy XUV V8; 5.3L/5328; GAS; MFI
2004 Pontiac GTO V8; 5.7L/350; GAS; MFI
2005-2009 GMC Envoy V8; 5.3L/5328; GAS; MFI
2005-2006 Pontiac GTO V8; 6.0L/5967; GAS; MFI
2006-2007 Cadillac CTS V8; 6.0L/5967; GAS; MFI
2007 GMC Savana 1500 V8; 5.3L/5328; FLEX/GAS; MFI; L59 ENG.
2007 GMC Savana 1500 V8; 5.3L/5328; GAS; MFI; LM7 ENG.
2010-2012 GMC Canyon V8; 5.3L/5328; GAS; MFI

Installation & Documents



106-16 Revised.pdf