Comp Cams Cam & Lifter Kit, LS1 XR259HR-12

SKU: 0HW43 | MPN:  CL54-408-11
Usually Ships in 10-14 Days
Sale price$815.45 USD Regular price$849.43 USD
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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:

Year Make Model Submodel
2001 - 2004 Avanti II Base
2008 - 2009 Buick LaCrosse CXL, CX, Super
2008 Buick LaCrosse CXS
2004 - 2007 Buick Rainier CXL
2004 - 2005 Buick Rainier CXL Plus
2012 Cadillac CTS 3.6L, 3.0L
2011 - 2014 Cadillac CTS Coupe
2010 - 2015 Cadillac CTS Performance
2009 - 2015 Cadillac CTS Premium, Luxury
2013 Cadillac CTS V Luxury
2004 - 2015 Cadillac CTS V, Base
2014 - 2015 Cadillac CTS Vsport Premium, Vsport
2002 - 2014 Cadillac Escalade Base
2009 - 2013 Cadillac Escalade Hybrid
2010 - 2013 Cadillac Escalade Hybrid Platinum
2008 - 2014 Cadillac Escalade Platinum
2011 - 2014 Cadillac Escalade Premium, Luxury
2012 Cadillac Escalade Special Edition
2007 - 2014 Cadillac Escalade ESV Base
2008 - 2014 Cadillac Escalade ESV Platinum
2011 - 2014 Cadillac Escalade ESV Premium, Luxury
2012 Cadillac Escalade ESV Special Edition
2007 - 2013 Cadillac Escalade EXT Base
2011 - 2013 Cadillac Escalade EXT Premium, Luxury
2007 - 2013 Chevrolet Avalanche Base
2013 Chevrolet Avalanche Black Diamond LT, Black Diamond LTZ, Black Diamond LS
2007 - 2012 Chevrolet Avalanche LS, LT, LTZ
2002 - 2006 Chevrolet Avalanche 1500 LT, LS, Z71, Base
2002 - 2003 Chevrolet Avalanche 1500 On Road Edition, North Face
2003 Chevrolet Avalanche 1500 WBH
2004 - 2006 Chevrolet Avalanche 1500 Z66
2011 - 2012 Chevrolet Camaro 2SS, 1LT, 1SS
2010 - 2015 Chevrolet Camaro LS, SS, LT
1998 Chevrolet Camaro Lujo
2014 - 2015 Chevrolet Camaro Z/28
1998 - 2002 Chevrolet Camaro Z28, Z28 SS, Base
2012 - 2015 Chevrolet Camaro ZL1
2011 - 2017 Chevrolet Caprice PPV
2009 - 2012 Chevrolet Colorado LT, WT, Base
2008 Chevrolet Corvette 427 Limited Edition Z06
2013 Chevrolet Corvette 427, LT
2003 Chevrolet Corvette 50th Anniversary Edition, 50th Anniversary Edition Pace Car
1997 - 2013 Chevrolet Corvette Base
2010 - 2013 Chevrolet Corvette Grand Sport
1998 Chevrolet Corvette Indianapolis 500 Pace Car
2001 - 2013 Chevrolet Corvette Z06
2011 Chevrolet Corvette Z06 Carbon
2009 - 2013 Chevrolet Corvette ZR1
2003 - 2014 Chevrolet Express 1500 Base, LS
2006 - 2014 Chevrolet Express 1500 LT
2003 - 2019 Chevrolet Express 2500 Base, LS
2010 - 2019 Chevrolet Express 2500 LT
2010 - 2019 Chevrolet Express 3500 Base, LT, LS
2008 Chevrolet Impala 50th Anniversary Edition
2006 - 2009 Chevrolet Impala LS, Police, LT, LTZ, SS
2016 - 2017 Chevrolet LCF 3500 Base
2006 Chevrolet Monte Carlo LTZ
2006 - 2007 Chevrolet Monte Carlo SS, LT, LS
2002 Chevrolet Silverado 1500 Custom
2004 - 2013 Chevrolet Silverado 1500 Hybrid
1999 - 2013 Chevrolet Silverado 1500 LS, Base, LT
2007 - 2013 Chevrolet Silverado 1500 LTZ
2003 - 2006 Chevrolet Silverado 1500 SS
2002 - 2013 Chevrolet Silverado 1500 WT
2010 - 2013 Chevrolet Silverado 1500 XFE
2004 Chevrolet Silverado 1500 Z71
2007 Chevrolet Silverado 1500 Classic LT, Hybrid, SS, WT, LS
1999 - 2000 Chevrolet Silverado 2500 Base, LT, LS
2015 - 2019 Chevrolet Silverado 2500 HD High Country
2010 - 2019 Chevrolet Silverado 2500 HD WT, LT, LTZ
2015 - 2019 Chevrolet Silverado 3500 HD High Country
2010 - 2019 Chevrolet Silverado 3500 HD LTZ, LT, WT
2014 - 2017 Chevrolet SS Base
2003 - 2006 Chevrolet SSR Base
2000 - 2012 Chevrolet Suburban 1500 Base
2000 - 2014 Chevrolet Suburban 1500 LT, LS
2006 - 2014 Chevrolet Suburban 1500 LTZ
2004 - 2007 Chevrolet Suburban 1500 Z71
2010 - 2013 Chevrolet Suburban 2500 LS, LT
2016 - 2019 Chevrolet Suburban 3500 HD LS, LT
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
2003 - 2006 Chevrolet Trailblazer EXT LS, LT
2003 - 2004 Chevrolet Trailblazer EXT North Face
2009 - 2012 GMC Canyon SLE, Base, WT, SLT
2005 - 2009 GMC Envoy SLT, Denali, SLE
2005 - 2006 GMC Envoy XL Denali
2003 - 2006 GMC Envoy XL SLT, SLE
2004 - 2005 GMC Envoy XUV SLE, SLT
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
2003 - 2013 GMC Savana 2500 SLE
2010 - 2019 GMC Savana 3500 LT, LS, Base
2010 - 2013 GMC Savana 3500 SLE, SL
2002 - 2005 GMC Sierra 1500 Base
2001 GMC Sierra 1500 C3
2002 - 2013 GMC Sierra 1500 Denali, WT
2002 GMC Sierra 1500 HT
2005 - 2013 GMC Sierra 1500 Hybrid
1999 - 2013 GMC Sierra 1500 SLE, SL, SLT
2010 - 2013 GMC Sierra 1500 XFE
2007 GMC Sierra 1500 Classic SL, Hybrid, WT, Denali, SLE, SLT
1999 - 2000 GMC Sierra 2500 SLT, SL, SLE
2015 - 2019 GMC Sierra 2500 HD Base
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
2010 - 2014 GMC Sierra 3500 HD WT
2007 - 2012 GMC Yukon Base
2010 - 2013 GMC Yukon Denali Hybrid
2008 - 2013 GMC Yukon Hybrid
2006 GMC Yukon SL
2000 - 2014 GMC Yukon SLT, Denali, SLE
2001 - 2014 GMC Yukon XL 1500 Denali
2006 GMC Yukon XL 1500 SL
2000 - 2014 GMC Yukon XL 1500 SLT, SLE
2010 - 2013 GMC Yukon XL 2500 SLE, SLT
2007 - 2009 Hummer H2 Adventure, Luxury
2004 - 2009 Hummer H2 Base
2007 Hummer H2 Special Edition
2008 - 2010 Hummer H3 Alpha, Adventure, Luxury, Base
2009 Hummer H3 Championship Series
2008 - 2009 Hummer H3 X
2010 Hummer H3T Adventure
2009 - 2010 Hummer H3T Base, Alpha
2003 - 2005 Isuzu Ascender Limited
2003 - 2006 Isuzu Ascender LS, Base
2004 - 2005 Isuzu Ascender S
1998 - 2002 Pontiac Firebird Base, Trans Am, Formula
2008 - 2009 Pontiac G8 Base, GT
2009 Pontiac G8 GXP
2005 - 2007 Pontiac Grand Prix GT
2005 Pontiac Grand Prix GTP
2005 - 2008 Pontiac Grand Prix GXP, Base
2004 - 2006 Pontiac GTO Base
2006 - 2009 Saab 9-7x 4.2i, 5.3i
2008 - 2009 Saab 9-7x Aero
2005 Saab 9-7x Arc, Linear