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Comp Cams LSR Rectangular Port 239/255 Hydraulic Roller Camshaft (10-19 6.0L Sierra 3500 HD)Find parts that fit my vehicle
Item SHG28747
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Product Information
Features, Description, Q&A
Features
- _x000D_
- Hydraulic Roller Broad Top End Power Range for High RPM _x000D_
- Race-Only LS Engines with Aftermarket Rectangular Port Cylinder Heads and Higher Compression _x000D_
- RPM Operating Range 2,400-7,200 _x000D_
- Cam Type: Hydraulic Roller _x000D_
- Camshaft Series: LSR Rectangular Port All Out Power _x000D_
- Camshaft Gear Attachment: 3-Bolt _x000D_
- Usage: Street / Strip _x000D_
- Advertised Intake Duration: 289 _x000D_
- Advertised Exhaust Duration: 305 _x000D_
- Intake Duration at .050 Inch Lift: 239 _x000D_
- Exhaust Duration at .050 Inch Lift: 255 _x000D_
- Intake Valve Lift: 0.624 _x000D_
- Exhaust Valve Lift: 0.624 _x000D_
- Lobe Lift Intake: 0.367 _x000D_
- Lobe Lift Exhaust: 0.367 _x000D_
- Lobe Separation: 114 _x000D_
- Intake Centerline: 110 _x000D_
- Valve Timing Lift: 0.006 _x000D_
- Exhaust Close ATDC: 35 _x000D_
- Intake Open BTDC: 34 _x000D_
- Exhaust Open BBDC: 89 _x000D_
- Intake Close ABDC: 75 _x000D_
- Lifter Type: Hydraulic Roller _x000D_
- Make: GM _x000D_
- Engine: LS GEN III/IV 3-Bolt 8 Cylinder _x000D_
- Fits 2010-2019 6.0L Sierra 3500 HD _x000D_
Description
High Performance Camshaft. The Comp Cams LSR Rectangular Port 239/255 Hydraulic Roller Camshaft delivers optimal top-end power designed specifically for high RPM race-only LS engines. It is engineered for use with aftermarket rectangular port cylinder heads and supports higher compression, making it ideal for racing applications and strip use.
_x000D__x000D_Construction and Appearance. This camshaft features a hydraulic roller design crafted for durability and performance. The precision-ground lobes ensure smooth operation and efficient power delivery, finished with a high-quality, smooth texture suited for racing environments.
_x000D__x000D_Installation. Installation requires moderate mechanical skill. Due to its race-specific nature, professional installation is recommended.
_x000D__x000D_Warranty. The product comes with a 12-month warranty.
_x000D__x000D_Application. Fits 2010-2019 6.0L Sierra 3500 HD.
Comp Cams 54-471-11
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 3500
- 6.0L V8 - 10, 11, 12, 13, 14, 15, 16, 17, 18, 19
