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    FR SPORT

    Comp Cams Cam & Lifter Kit, LS1 XR259HR-12

    Comp Cams Cam & Lifter Kit, LS1 XR259HR-12

    $815.45 USD
    $849.43 USD $815.45 USD
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    Shipping calculated at checkout.

    COMP Cams manufactures truly superior hydraulic and solid flat tappet, hydraulic and mechanical roller, and overhead camshafts for everything from OE replacement to full race, designed and manufactured using cutting-edge technology and the finest engineering in the industry. Whether your engine is naturally aspirated, or you run nitrous, or a supercharger or turbo, our cams make more horsepower than any other. Looking for that ultimate hard-hitting muscle car idle? Check out our aggressive new Thumpr Cams. Match our camshafts up with our competition-grade lifters, valve springs, timing sets, and other supporting components, and you'll experience the ultimate in race-winning reliability.

    Ever since its introduction, GM's LSX/Gen III engine has quickly become the ''preferred choice'' among many engine builders and performance enthusiasts. Right from the factory, the GM LSX/Gen III engine boasts a surprisingly efficient induction design, reduced weight and impressive power output. As the leading developer of high performance LSX/Gen III valve train technology, Comp Cams has engineered a full line of products proven to release the incredible horsepower and torque hidden inside while never sacrificing ever-critical reliability.

    Specifications

    Intake Valve Lift (in.): 0.515
    Exhaust Valve Lift (in.): 0.52
    Int. Duration @ .050 in. (Deg): 206
    Exh. Duration @ .050 in. (Deg): 212
    Int. Duration Advertised (Deg): 259
    Exh. Duration Advertised (Deg): 265
    RPM Range: 800-5800
    Lifter Type: Hydraulic Roller
    Usage: Street/Performance
    Engine Make/Size: Chevy Small Block LS1
    Engine Make/Size: Chevy 350 Gen III
    Engine Make/Size: Chevy 350 LS6
    Gaskets Included: No
    Lobe Separation (Deg): 112
    Advertised Duration: 259 int./265 exh.
    Advertised Exhaust Duration: 265
    Advertised Intake Duration: 259
    Assembly Lubricant Included: Yes
    Basic Operating RPM Range: 800-5,800
    Cam Style: Hydraulic roller tappet
    Camshaft Gear Attachment: 3-bolt
    Computer-Controlled Compatible: Yes
    Duration at 050 inch Lift: 206 int./212 exh.
    Exhaust Duration at 050 inch Lift: 212
    Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.522
    Intake Duration at 050 inch Lift: 206
    Intake Valve Lift with Factory Rocker Arm Ratio: 0.515
    Lifter Style: Hydraulic roller
    Lifters Included: Yes
    Locks Included: No
    Pushrods Included: No
    Quantity: Sold as a kit
    Retainers Included: No
    Rocker Arms Included: No
    Timing Chain and Gears Included: No
    Valve Lift with Factory Rocker Arm Ratio:0.515 int./0.522 exh.
    Valve Springs Included: No
    Valve Springs Required:Yes
    Valve Stem Seals Included:No

    Features:

    • Newest and quickest lobe profiles; provide a terrific increase in performance
    • Tuned for use in EFI applications where extra air flow signal through the carburetor is not required (feature wider lobe separation without loss of responsiveness)
    • Work well with aftermarket cylinder heads & feature high lift


    Vehicle Fitments:

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    2009 - 2013 Cadillac Escalade Hybrid
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    2008 - 2014 Cadillac Escalade Platinum
    2011 - 2014 Cadillac Escalade Premium, Luxury
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    2007 - 2014 Cadillac Escalade ESV Base
    2008 - 2014 Cadillac Escalade ESV Platinum
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    2007 - 2012 Chevrolet Avalanche LS, LT, LTZ
    2002 - 2006 Chevrolet Avalanche 1500 LT, LS, Z71, Base
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    2000 - 2012 Chevrolet Tahoe Base
    2008 - 2013 Chevrolet Tahoe Hybrid
    2000 Chevrolet Tahoe Limited
    2000 - 2014 Chevrolet Tahoe LT, LS
    2007 - 2014 Chevrolet Tahoe LTZ
    2012 - 2014 Chevrolet Tahoe SSV, PPV
    2000 - 2009 Chevrolet Tahoe Z71
    2006 - 2007 Chevrolet Trailblazer B, A, LS
    2006 - 2008 Chevrolet Trailblazer Base, SS, LT
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    2003 - 2006 GMC Envoy XL SLT, SLE
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    2003 - 2014 GMC Savana 1500 Base
    2006 - 2014 GMC Savana 1500 LS, LT
    2009 - 2013 GMC Savana 1500 SL
    2003 - 2013 GMC Savana 1500 SLE
    2003 - 2019 GMC Savana 2500 Base
    2010 - 2019 GMC Savana 2500 LS, LT
    2010 - 2013 GMC Savana 2500 SL
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    2001 GMC Sierra 1500 C3
    2002 - 2013 GMC Sierra 1500 Denali, WT
    2002 GMC Sierra 1500 HT
    2005 - 2013 GMC Sierra 1500 Hybrid
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    2010 - 2013 GMC Sierra 1500 XFE
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    2011 - 2019 GMC Sierra 2500 HD Denali
    2010 - 2019 GMC Sierra 2500 HD SLE, SLT
    2010 - 2014 GMC Sierra 2500 HD WT
    2015 - 2019 GMC Sierra 3500 HD Base
    2011 - 2019 GMC Sierra 3500 HD Denali
    2010 - 2019 GMC Sierra 3500 HD SLE, SLT
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    2010 - 2013 GMC Yukon Denali Hybrid
    2008 - 2013 GMC Yukon Hybrid
    2006 GMC Yukon SL
    2000 - 2014 GMC Yukon SLT, Denali, SLE
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    2006 GMC Yukon XL 1500 SL
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    2005 - 2007 Pontiac Grand Prix GT
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    2006 - 2009 Saab 9-7x 4.2i, 5.3i
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    2005 Saab 9-7x Arc, Linear
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