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Comp Cams LSR Rectangular Port 239/255 Hydraulic Roller Camshaft (07-14 Yukon)Find parts that fit my vehicle

Item GY15963
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      Product Information

      Features, Description, Q&A

      Features

      • Hydraulic Roller: Broad Top End Power Range For High RPM, Race Only LS Engines With Aftermarket Rectangular Port Cylinder Heads And Higher Compression
      • Manufacturer: COMP Cams
      • Warranty: 12 Months
      • Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
      • RPM Operating Range: 2,400-7,200
      • Cam Type: Hydraulic Roller
      • Camshaft Series: LSR Rectangular Port All Out Power
      • Camshaft Gear Attachment: 3-Bolt
      • Usage: Street / Strip
      • Advertised Intake Duration: 289
      • Advertised Exhaust Duration: 305
      • Intake Duration At .050 Inch Lift: 239
      • Exhaust Duration .050 Inch Lift: 255
      • Intake Valve Lift: 0.624
      • Exhaust Valve Lift: 0.624
      • Lobe Lift Intake: 0.367
      • Lobe Lift Exhaust: 0.367
      • Lobe Separation: 114
      • Intake Centerline: 110
      • Valve Timing Lift: 0.006
      • Exhaust Close ATDC: 35
      • Intake Open BTDC: 34
      • Exhaust Open BBDC: 89
      • Intake Close ABDC: 75
      • Make: GM
      • Engine: LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
      • Lifter Type: Hydraulic Roller
      • Performance Package: No
      • Fits 07-14 Yukon

      Description

      Performance Hydraulic Camshaft. The Comp Cams LSR Rectangular Port 239/255 Hydraulic Roller Camshaft is designed to deliver a broad top-end power range for high RPM, race-only LS engines equipped with aftermarket rectangular port cylinder heads and higher compression. It enhances engine performance in strip and street applications by optimizing valve timing and lift for increased power output at high engine speeds.

      Construction and Appearance. This camshaft features a precision-engineered hydraulic roller design for durability and high performance. Manufactured using high-quality materials to ensure strength and longevity, it has a smooth finish to reduce friction and wear during operation, promoting reliable power delivery under demanding conditions.

      Installation. Installation requires moderate automotive knowledge and common mechanical tools; no drilling is necessary. Proper alignment and timing are crucial to achieve optimal engine performance and longevity.

      Warranty. This camshaft includes a 12-month warranty covering manufacturing defects and workmanship.

      Application. Specifically engineered to fit the 07-14 Yukon, ensuring compatibility and optimal performance with this vehicle’s engine configuration in high-performance and racing contexts.

      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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