SKU: 9312392121

Comp Cams Camshaft Kit, LS1 XER281HR-12

$586.49 $651.66
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

Comp Cams Camshaft Kit, LS1 XER281HR-12Competition Cams a trusted industry leader. Backed by manufacturer's warranty. Designed for good performance. 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

Competition Cams a trusted industry leader. Backed by manufacturer's warranty. Designed for good performance.

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.

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.

Specifications

Intake Valve Lift (in.): 0.595
Exhaust Valve Lift (in.): 0.598
Int. Duration @ .050 in. (Deg): 232
Exh. Duration @ .050 in. (Deg): 234
Int. Duration Advertised (Deg): 281
Exh. Duration Advertised (Deg): 283
Engine Make/Size: Chevy Small Block (262-400)
Lifter Type: Hydraulic Roller
Usage: Street/Performance
RPM Range: 2400-7200


Vehicle Fitments:

Year Make Model Submodel
2001 - 2004 Avanti II Base
2008 Buick LaCrosse CXS
2008 - 2009 Buick LaCrosse Super, CX, CXL
2004 - 2007 Buick Rainier CXL
2004 - 2005 Buick Rainier CXL Plus
2012 Cadillac CTS 3.0L, 3.6L
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, Vsport Premium
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
2011 - 2014 Cadillac Escalade ESV Luxury, Premium
2008 - 2014 Cadillac Escalade ESV Platinum
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 LS, Black Diamond LTZ
2007 - 2012 Chevrolet Avalanche LS, LT, LTZ
2002 - 2003 Chevrolet Avalanche 1500 North Face, On Road Edition
2003 Chevrolet Avalanche 1500 WBH
2004 - 2006 Chevrolet Avalanche 1500 Z66
2002 - 2006 Chevrolet Avalanche 1500 Z71, Base, LS, LT
2011 - 2012 Chevrolet Camaro 2SS, 1SS, 1LT
1998 - 2002 Chevrolet Camaro Base, Z28, Z28 SS
1998 Chevrolet Camaro Lujo
2010 - 2015 Chevrolet Camaro SS, LS, LT
2014 - 2015 Chevrolet Camaro Z/28
2012 - 2015 Chevrolet Camaro ZL1
2011 - 2017 Chevrolet Caprice PPV
2009 - 2012 Chevrolet Colorado Base, LT, WT
2008 Chevrolet Corvette 427 Limited Edition Z06
2003 Chevrolet Corvette 50th Anniversary Edition Pace Car, 50th Anniversary Edition
1997 - 2013 Chevrolet Corvette Base
2010 - 2013 Chevrolet Corvette Grand Sport
1998 Chevrolet Corvette Indianapolis 500 Pace Car
2013 Chevrolet Corvette LT, 427
2001 - 2013 Chevrolet Corvette Z06
2011 Chevrolet Corvette Z06 Carbon
2009 - 2013 Chevrolet Corvette ZR1
2003 - 2014 Chevrolet Express 1500 LS, Base
2006 - 2014 Chevrolet Express 1500 LT
2003 - 2019 Chevrolet Express 2500 Base, LS
2010 - 2019 Chevrolet Express 2500 LT
2010 - 2019 Chevrolet Express 3500 LS, Base, LT
2008 Chevrolet Impala 50th Anniversary Edition
2006 - 2009 Chevrolet Impala LTZ, Police, LT, LS, SS
2016 - 2017 Chevrolet LCF 3500 Base
2006 Chevrolet Monte Carlo LTZ
2006 - 2007 Chevrolet Monte Carlo SS, LS, LT
1999 - 2013 Chevrolet Silverado 1500 Base, LS, LT
2002 Chevrolet Silverado 1500 Custom
2004 - 2013 Chevrolet Silverado 1500 Hybrid
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 WT, SS, LS, Hybrid, LT
1999 - 2000 Chevrolet Silverado 2500 LS, LT, Base
2015 - 2019 Chevrolet Silverado 2500 HD High Country
2010 - 2019 Chevrolet Silverado 2500 HD LTZ, LT, WT
2015 - 2019 Chevrolet Silverado 3500 HD High Country
2010 - 2019 Chevrolet Silverado 3500 HD LTZ, WT, LT
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 LT, LS
2016 - 2019 Chevrolet Suburban 3500 HD LT, LS
2000 - 2012 Chevrolet Tahoe Base
2008 - 2013 Chevrolet Tahoe Hybrid
2000 Chevrolet Tahoe Limited
2000 - 2014 Chevrolet Tahoe LS, LT
2007 - 2014 Chevrolet Tahoe LTZ
2012 - 2014 Chevrolet Tahoe PPV, SSV
2000 - 2009 Chevrolet Tahoe Z71
2006 - 2007 Chevrolet Trailblazer A, B, LS
2006 - 2008 Chevrolet Trailblazer Base, LT, SS
2003 - 2006 Chevrolet Trailblazer EXT LT, LS
2003 - 2004 Chevrolet Trailblazer EXT North Face
2009 - 2012 GMC Canyon WT, SLT, SLE, Base
2005 - 2009 GMC Envoy Denali, SLT, SLE
2005 - 2006 GMC Envoy XL Denali
2003 - 2006 GMC Envoy XL SLE, SLT
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, Base, LS
2010 - 2013 GMC Savana 3500 SL, SLE
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 SLT, SL, SLE
2010 - 2013 GMC Sierra 1500 XFE
2007 GMC Sierra 1500 Classic SLT, Hybrid, WT, Denali, SLE, SL
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 SLT, SLE
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
2000 - 2014 GMC Yukon Denali, SLE, SLT
2008 - 2013 GMC Yukon Hybrid
2006 GMC Yukon SL
2001 - 2014 GMC Yukon XL 1500 Denali
2006 GMC Yukon XL 1500 SL
2000 - 2014 GMC Yukon XL 1500 SLE, SLT
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 Base, Alpha, Adventure, Luxury
2009 Hummer H3 Championship Series
2008 - 2009 Hummer H3 X
2010 Hummer H3T Adventure
2009 - 2010 Hummer H3T Alpha, Base
2003 - 2005 Isuzu Ascender Limited
2003 - 2006 Isuzu Ascender LS, Base
2004 - 2005 Isuzu Ascender S
1998 - 2002 Pontiac Firebird Trans Am, Formula, Base
2008 - 2009 Pontiac G8 GT, Base
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 5.3i, 4.2i
2008 - 2009 Saab 9-7x Aero
2005 Saab 9-7x Linear, Arc
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 9312392121

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4.2 ★★★★★
Based on 16 reviews
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Product Reviews
K
Verified Purchase
Kim Groetsch
Belleville, US
★★★★★ 5
BEST, MOST COMFORTABLE PILLOWS EVER!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I've used others.BEST PILLOWS EVER! Firm, cooling and supportive. LOVE THESE!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
J
Verified Purchase
Juanita
Omaha, US
★★★★★ 4
Comfortable and Supportive, but Adjust the Filling
Color: White-cooling Basic, Size: Queen(Pack of 2), Color: White-cooling Basic, Size: Queen(Pack of 2)
I’m very happy with this pillow. The size is big and it feels soft while still providing good support, perfect for midnight scrolling on TikTok. One thing to keep in mind is that it can feel a little too tall if you use all of the filling that comes with it. The good news is that you can easily adjust the amount of filling to find the height that works best for your sleeping position. Once I customized it, it was much more comfortable. Overall, great quality, comfortable, and worth the purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
L
Verified Purchase
Love Leigh Angel
Lexington, US
★★★★★ 5
BEST PILLOWS EVER!!!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I am very picky with my pillows because I have a bad neck and I can never seem to find a good pillow. But I tried this pillow because it had everything I was looking for and the price was great! You get two of them and they are absolutely awesome.! normally I would need to lay on two pillows to try and get comfortable but with these pillows I just lay on one and I wake up with no neck pain. They really have a nice cooling effect. They actually puff up immediately after opening them. All you have to do is just shake them up and the pillow just puffs straight up.. It comes with extra cushioning if you want it to make it firmer and if you don’t want it as firm as it is, you can actually take some out. It really is such a beautiful pillow. It’s perfect in every way to me being such a picky pillow person. You just lay your head down on it and it forms around your neck and your head and when you get up, it goes right back to its normal form. It doesn’t get flat and I love it. I completely recommend this to anyone who is a person who has a hard time finding a really good pillow.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
E
Verified Purchase
$@[)E
Battle Creek, US
★★★★★ 5
Top of the line, best pillows Ive ever had
Color: White-cooling Basic, Size: Queen(Pack of 2)
These pillows are top of the line! I bought them in 2024 and they are still fluffy. When they lose a little fluff, you just punch em around a little bit and voila, like new again. They have kept their shape cery well and do great for cooling. I haven't had to add more filling yet either. I just laid my head on one and thought, I need to do a review cause everytime i lay on these pillows its like clouds. My head is heavy and this is relief :-D
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
C
Verified Purchase
Chelsea H.
Boise, US
★★★★★ 3
Weird smell
Color: White-cooling Basic, Size: Queen(Pack of 2)
The pillows are great for someone looking for something cool and comfortable. We loved them so much that we bought a second pair. However, we were seriously disappointed with the odor of our last purchase. They give off a strong and indescribable chemical/burning plastic smell so nauseating that it’s difficult to sleep with. We’re hoping this issue will resolve with a couple more washes of the pillow cases, but am worried the source is the stuffing itself.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026

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