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Comp Cams LSR Rectangular Port 227/235 Hydraulic Roller Camshaft (99-13 V8 Sierra 1500)Find parts that fit my vehicle

Item S550854
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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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      • Cam Type Hydraulic Roller
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      • Camshaft Series LSR Rectangular Port All Out Power
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      • Engine Family GM LS GEN III/IV 3-Bolt 8 Cylinder 1997-2015
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      • RPM Operating Range 1900-7000
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      • Camshaft Gear Attachment 3-Bolt
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      • Usage Street/Strip
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      • Advertised Intake Duration 277
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      • Advertised Exhaust Duration 293
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      • Intake Duration at .050 Inch Lift 227
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      • Exhaust Duration .050 Inch Lift 243
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      • Intake Valve Lift 0.614
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      • Exhaust Valve Lift 0.624
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      • Lobe Lift Intake 0.361
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      • Lobe Lift Exhaust 0.367
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      • Lobe Separation 113
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      • Intake Centerline 109
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      • Valve Timing Lift 0.006
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      • Exhaust Close ATDC 30
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      • Intake Open BTDC 28
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      • Exhaust Open BBDC 82
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      • Intake Close ABDC 68
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      • Lifter Type Hydraulic Roller
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      • Fits 99-13 V8 Sierra 1500
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      Description

      Performance Camshaft. The Comp Cams LSR Rectangular Port 227/243 Hydraulic Roller Camshaft is engineered for enhanced power delivery in GM LS GEN III/IV engines. It optimizes valve timing to boost engine efficiency and responsiveness, making it ideal for street and strip applications where performance matters.

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      Construction and Appearance. Crafted from durable materials designed to withstand high RPM ranges up to 7,000, this camshaft features a precision-ground finish ensuring reliable operation. The hydraulic roller design reduces wear and improves lifter performance, while the camshaft’s robust 3-bolt gear attachment offers secure fitment.

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      Installation. Installation is moderately challenging and typically requires professional tools; no special drilling is necessary. It is designed as a direct fit for compatible engines, making the upgrade process streamlined for experienced enthusiasts.

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      Warranty. This camshaft includes a 12-month warranty providing assurance of quality and durability.

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      Application. Fits GM LS GEN III/IV 3-Bolt 8 Cylinder engines from 1997 to 2015, including the 99-13 V8 Sierra 1500 models. Suitable for street and strip use without exclusion noted for this specific fitment.

      Comp Cams 54-454-11

      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