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Comp Cams LSR Rectangular Port 219/235 Hydraulic Roller Camshaft (99-13 V8 Sierra 1500)Find parts that fit my vehicle
Item S550852
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Product Information
Features, Description, Q&A
Features
- Hydraulic Roller Excellent Torque With A Very Broad Power Band
- Great For Street Performance And Drivability
- Manufacturer Warranty Twelve Months
- Engine Family GM LS GEN III/IV 3-Bolt 8 Cylinder 1997-2015
- RPM Operating Range 1500-6700
- Cam Type Hydraulic Roller
- Camshaft Series LSR Cathedral Port Small Displacement/Max Torque
- Camshaft Gear Attachment 3-Bolt
- Advertised Intake Duration 269
- Advertised Exhaust Duration 277
- Intake Duration At 0.050 Inch Lift 219
- Exhaust Duration 0.050 Inch Lift 227
- Intake Valve Lift 0.607
- Exhaust Valve Lift 0.614
- Lobe Lift Intake 0.357
- Lobe Lift Exhaust 0.361
- Lobe Separation 112
- Intake Centerline 107
- Valve Timing Lift 0.006
- Exhaust Close ATDC 22
- Intake Open BTDC 26
- Exhaust Open BBDC 74
- Intake Close ABDC 62
- Make GM
- Engine LS GEN III/IV 3-Bolt 8 Cylinder 1997-2015
- Lifter Type Hydraulic Roller
- Usage Street / Strip
- Fits 99-13 V8 Sierra 1500
Description
HIGH-PERFORMANCE HYDRAULIC CAMSHAFT. The Comp Cams LSR Rectangular Port 219/227 Hydraulic Roller Camshaft is designed to deliver excellent torque and a broad power band, making it ideal for street performance applications. This camshaft enhances drivability by optimizing valve timing and lift for improved engine response and power output.
CONSTRUCTION AND APPEARANCE. Crafted with precision-engineered materials, this camshaft features a robust hydraulic roller design that ensures durability and consistent performance. The camshaft's surface finish supports smooth operation, reducing wear and extending service life.
INSTALLATION. Installation requires moderate mechanical skill and is designed to fit directly into compatible GM LS GEN III/IV engines with a 3-bolt camshaft attachment, without the need for drilling or complex modifications.
WARRANTY. This camshaft is backed by a twelve-month manufacturer warranty.
APPLICATION. Specifically fit for the 1999-2013 V8 Sierra 1500, providing an optimized upgrade for this vehicle’s engine performance needs.
Comp Cams 54-456-11
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
4.7
Reviews of Comp Cams Engine Products (361)
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Will It Fit My Sierra 1500
- 4.8L V8 - 99, 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13
- 5.3L V8 - 99, 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13
- 6.0L V8 - 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13
- 6.2L V8 - 07, 08, 09, 10, 11, 12, 13
