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Comp Cams LSR Rectangular Port 239/255 Hydraulic Roller Camshaft (10-19 6.0L Silverado 2500 HD)Find parts that fit my vehicle
Item HS33739
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Product Information
Features, Description, Q&A
Features
- _x000D_
- Hydraulic Roller Provides Broad Top End Power Range _x000D_
- Designed For High RPM Race Only LS Engines _x000D_
- Compatible With Aftermarket Rectangular Port Cylinder Heads _x000D_
- Optimized For Higher Compression Applications _x000D_
- Advertised Intake Duration Of 289 Degrees _x000D_
- Advertised Exhaust Duration Of 305 Degrees _x000D_
- Intake Duration At 0.050 Inch Lift Is 239 Degrees _x000D_
- Exhaust Duration At 0.050 Inch Lift Is 255 Degrees _x000D_
- Intake Valve Lift Measures 0.624 Inches _x000D_
- Exhaust Valve Lift Measures 0.624 Inches _x000D_
- Lobe Lift Intake And Exhaust Both Are 0.367 Inches _x000D_
- Lobe Separation Angle Is 114 Degrees _x000D_
- Intake Centerline At 110 Degrees _x000D_
- Exhaust Closes At 35 Degrees After Top Dead Center _x000D_
- Intake Opens 34 Degrees Before Top Dead Center _x000D_
- Exhaust Opens 89 Degrees Before Bottom Dead Center _x000D_
- Intake Closes 75 Degrees After Bottom Dead Center _x000D_
- Camshaft Designed For GM LS Gen III/IV 3-Bolt 8 Cylinder Engines _x000D_
- Hydraulic Roller Type Lifter Compatibility _x000D_
- Usage Intended For Street And Strip Applications _x000D_
- Lobe Separation And Valve Timing Designed For Performance _x000D_
- Fits 10-19 6.0L Silverado 2500 HD _x000D_
Description
High-Performance Hydraulic Cam. The Comp Cams LSR Rectangular Port 239/255 Hydraulic Roller Camshaft is engineered to deliver a broad power band suitable for high RPM race LS engines. It is designed specifically to work with aftermarket rectangular port cylinder heads and higher compression setups, maximizing engine efficiency and power output for strip racing use.
_x000D__x000D_Construction and Appearance. Constructed from high-quality materials with precise machining to ensure durability and performance, this camshaft features a hydraulic roller design. The finish is smooth and engineered to withstand the stresses of high RPM operation while maintaining optimal valve control and longevity.
_x000D__x000D_Installation. Installation involves standard camshaft replacement procedures, typically requiring moderate mechanical knowledge. No drilling is necessary, but professional installation is recommended to ensure proper timing and optimal engine performance.
_x000D__x000D_Warranty. This camshaft comes with a 12-month manufacturer warranty covering defects and workmanship.
_x000D__x000D_Application. Specifically fits the 2010-2019 6.0L Silverado 2500 HD, ensuring compatibility with the GM LS Gen III/IV 3-bolt 8-cylinder engine platform installed in this vehicle range.
Comp Cams 54-471-11
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
4.7
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Will It Fit My Silverado 2500
- 6.0L V8 - 10, 11, 12, 13, 14, 15, 16, 17, 18, 19
