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Comp Cams LSR Centrifugal Blower 235/251 Hydraulic Roller Camshaft (99-13 V8 Sierra 1500)Find parts that fit my vehicle

Item S550850
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359 Reviews of Comp Cams
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$541.95

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      Product Information

      Features, Description, Q&A

      Features

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      • Hydraulic Roller: Optimized for High RPM Power When Used With A Centrifugal Blower
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      • Emissions Code: Not Specified
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      • Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
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      • RPM Operating Range: 2,500-7,200
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      • Cam Type: Hydraulic Roller
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      • Camshaft Series: LSR Centrifugal Blower
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      • Camshaft Gear Attachment: 3-Bolt
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      • Advertised Intake Duration: 285
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      • Advertised Exhaust Duration: 301
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      • Intake Duration At .050 Inch Lift: 235
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      • Exhaust Duration .050 Inch Lift: 251
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      • Intake Valve Lift: 0.621
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      • Exhaust Valve Lift: 0.624
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      • Lobe Lift Intake: 0.365
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      • Lobe Lift Exhaust: 0.367
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      • Lobe Separation: 115
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      • Intake Centerline: 110
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      • Valve Timing Lift: 0.006
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      • Exhaust Close ATDC: 31
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      • Intake Open BTDC: 31
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      • Exhaust Open BBDC: 89
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      • Intake Close ABDC: 73
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      • Lifter Type: Hydraulic Roller
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      • Usage: Street / Strip
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      • Fits 99-13 V8 Sierra 1500
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      Description

      Hydraulic Roller Performance. The Comp Cams Camshaft LS1 285LCB HR-115 is engineered to optimize high RPM power when paired with a centrifugal blower. This camshaft enhances engine breathing, delivering increased power and improved throttle response ideal for street and strip applications. It is specifically designed for GM LS GEN III/IV engines operating within the 2,500-7,200 RPM range, providing a well-tuned performance boost.

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      Construction and Appearance. Manufactured from premium materials, this camshaft features precise hydraulic roller technology for durability and smooth operation. It is designed with exact duration and lift specifications tailored to centrifugal blower setups, ensuring consistent and reliable performance. The finish is crafted to withstand demanding engine conditions and maintain integrity under high stress.

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      Installation. Installation requires moderate mechanical skill and basic engine disassembly; no special drilling is necessary. This camshaft fits GM LS GEN III/IV 3-Bolt 8 Cylinder engines and is compatible with standard 3-bolt camshaft gear attachments.

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      Warranty. This camshaft includes a 12-month warranty covering manufacturing defects.
      _x000D_Application. Specifically designed to fit the 1999-2013 V8 Sierra 1500 without exclusions noted for this fitment.

      Comp Cams 54-478-11

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.7

      Reviews of Comp Cams Engine Products (359)

      Questions & Answers

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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