SKU: 50688175078

Comp Cams Ls1 Xer281hr-12

$315.43 $350.48
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Description

Comp Cams Ls1 Xer281hr-12XFIT XE R, XER281HR Design for Standard Displacement LS6 and LS1 HYDRAULIC ROLLER Xtreme Energy XE R design for standard displacement LS6 and LS1 Race only applications. Lifter Type: Hydraulic Roller Engine Family: GM LS Gen III IV 8 Cyl. '97 Current Three Bolt 4. 8 5. 3 5. 7 6. 0 6. 2 7. 0L Engines Cam Family: XFIT XE R Specifications Intake Exhaust RPM Range: Valve Lash: Valve Timing: Duration: Lobe Separation: Duration @ . 050" Lift: Intake

XFIT XE-R, XER281HR 
Design for Standard Displacement LS6 and LS1
HYDRAULIC ROLLER-Xtreme Energy XE-R design for standard displacement LS6 and LS1 - Race only applications.

Lifter Type: Hydraulic Roller

Engine Family: GM LS Gen III/IV 8 Cyl. '97-Current Three-Bolt 4.8/5.3/5.7/6.0/6.2/7.0L Engines

Cam Family: XFIT XE-R

Specifications Intake Exhaust
RPM Range: Valve Lash:
Valve Timing: Duration:
Lobe Separation: Duration @ .050" Lift:
Intake Centerline: Valve Lift:
Lobe Lift:
Valve Timing @ 0.006 Lift:
Exhaust
Closes 28
ATDC
Opens 76
BBDC
 110
Intake
31 Opens
BTDC
71 Closes
ABDC


Vehicle Fitments:

Year Make Model Submodel
2001 - 2004 Avanti II Base
2008 - 2009 Buick LaCrosse CX, CXL, 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
2009 - 2015 Cadillac CTS Luxury, Premium
2010 - 2015 Cadillac CTS Performance
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
2011 - 2014 Cadillac Escalade Luxury, Premium
2008 - 2014 Cadillac Escalade Platinum
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 Luxury, Premium
2007 - 2013 Chevrolet Avalanche Base
2013 Chevrolet Avalanche Black Diamond LTZ, Black Diamond LT, Black Diamond LS
2007 - 2012 Chevrolet Avalanche LT, LS, 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, 1LT, 1SS
2010 - 2015 Chevrolet Camaro LS, LT, SS
1998 Chevrolet Camaro Lujo
2014 - 2015 Chevrolet Camaro Z/28
1998 - 2002 Chevrolet Camaro Z28, Base, Z28 SS
2012 - 2015 Chevrolet Camaro ZL1
2011 - 2017 Chevrolet Caprice PPV
2009 - 2012 Chevrolet Colorado LT, Base, WT
2008 Chevrolet Corvette 427 Limited Edition Z06
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
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 LS, Base
2010 - 2019 Chevrolet Express 2500 LT
2010 - 2019 Chevrolet Express 3500 Base, LS, LT
2008 Chevrolet Impala 50th Anniversary Edition
2006 - 2009 Chevrolet Impala LS, SS, LTZ, Police, LT
2016 - 2017 Chevrolet LCF 3500 Base
2006 - 2007 Chevrolet Monte Carlo LS, SS, LT
2006 Chevrolet Monte Carlo LTZ
1999 - 2013 Chevrolet Silverado 1500 Base, LT, LS
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 Hybrid, LT, SS, WT, LS
1999 - 2000 Chevrolet Silverado 2500 LS, LT, Base
2015 - 2019 Chevrolet Silverado 2500 HD High Country
2010 - 2019 Chevrolet Silverado 2500 HD LT, WT, LTZ
2015 - 2019 Chevrolet Silverado 3500 HD High Country
2010 - 2019 Chevrolet Silverado 3500 HD WT, LTZ, 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 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 LS, LT
2007 - 2014 Chevrolet Tahoe LTZ
2012 - 2014 Chevrolet Tahoe SSV, PPV
2000 - 2009 Chevrolet Tahoe Z71
2006 - 2007 Chevrolet Trailblazer A, B, LS
2006 - 2008 Chevrolet Trailblazer LT, SS, Base
2003 - 2006 Chevrolet Trailblazer EXT LS, LT
2003 - 2004 Chevrolet Trailblazer EXT North Face
2009 - 2012 GMC Canyon Base, WT, SLT, SLE
2005 - 2009 GMC Envoy Denali, SLE, SLT
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 Base, LT, LS
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 Hybrid, SL, Denali, WT, SLT, SLE
1999 - 2000 GMC Sierra 2500 SLE, SLT, SL
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
2008 - 2013 GMC Yukon Hybrid
2006 GMC Yukon SL
2000 - 2014 GMC Yukon SLE, Denali, SLT
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
2004 - 2009 Hummer H2 Base
2007 - 2009 Hummer H2 Luxury, Adventure
2007 Hummer H2 Special Edition
2008 - 2010 Hummer H3 Base, Adventure, Luxury, Alpha
2009 Hummer H3 Championship Series
2008 - 2009 Hummer H3 X
2010 Hummer H3T Adventure
2009 - 2010 Hummer H3T Base, Alpha
2003 - 2006 Isuzu Ascender Base, LS
2003 - 2005 Isuzu Ascender Limited
2004 - 2005 Isuzu Ascender S
1998 - 2002 Pontiac Firebird Base, Formula, Trans Am
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 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: 50688175078

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4.7 ★★★★★
Based on 30 reviews
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Product Reviews
S
Verified Purchase
Stella Rosa
Lake Worth, US
★★★★★ 5
They work!
Color: Fuzzy Blue, Size: Regular
The ZenToes Moisturizing Fuzzy Sleep Socks have been a wonderful addition to my nightly self-care routine. Infused with Vitamin E, olive oil, and jojoba seed oil, these socks are designed to soften and hydrate dry, cracked heels, offering both comfort and skincare benefits. The regular size in blue fits perfectly and adds a soothing touch to my bedtime. One of the features I appreciate most is the intense moisturization these socks provide. The infusion of Vitamin E, olive oil, and jojoba seed oil delivers deep hydration to my feet, effectively softening and healing dry, cracked heels. After just a few nights of wearing these socks, I noticed a significant improvement in the texture and smoothness of my skin. My feet feel much softer and more comfortable, which is a relief after long days on my feet. The fuzzy, cozy design of the socks is another standout feature. They are incredibly soft and comfortable, providing a warm and snug fit that’s perfect for sleep. The plush material feels luxurious against the skin, making it a pleasure to wear them overnight. This added comfort enhances the overall experience, making it easier to stick to a nightly moisturizing routine. The design is practical and thoughtful. The socks fit snugly without being too tight, ensuring they stay in place throughout the night. The regular size is perfect for my feet, and they accommodate a range of foot sizes comfortably. The blue color adds a touch of style and fun, making the socks both functional and visually appealing. The socks are easy to care for, which is a significant advantage. They can be hand-washed or machine-washed on a gentle cycle, and they retain their softness and moisturizing properties even after multiple washes. This durability ensures that the socks continue to provide effective hydration and comfort over time, making them a worthwhile investment for foot care. The moisturizing effect lasts long after I take the socks off in the morning. My feet remain hydrated and smooth throughout the day, reducing the need for additional foot creams or lotions. This lasting effect is a testament to the quality and effectiveness of the ingredients used in the socks. Overall, the ZenToes Moisturizing Fuzzy Sleep Socks have exceeded my expectations. Their combination of deep moisturization, cozy design, practical fit, and easy care makes them an essential addition to any skincare routine. The socks have significantly improved the condition of my feet, providing effective relief for dry, cracked heels and ensuring lasting softness and hydration. I highly recommend these moisturizing socks to anyone looking for a comfortable and effective solution for foot care. They have become an indispensable part of my nightly routine, ensuring that I wake up with softer, healthier feet every day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 29, 2024
C
Verified Purchase
Char
Battle Creek, US
★★★★★ 3
THESE THINGS SHED BAD!!!!!!!!!
Color: Pink Strawberries, Size: Regular
These things shed like you wouldn't believe. They're all over my furniture, my floor, my clothes. I'm finding little pink pieces of sock fluff everywhere and it's annoying. I don't think they did that until after I washed them. So if they don't shed on you right away, just wait, it'll most definitely happen. I returned because I won't where them again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
C
Verified Purchase
Channing Motley
Birmingham, US
★★★★★ 5
Keeping the crusty heels at bay!
Color: Cotton Gray, Size: Regular
I deal with chronic dry heels that crack if left unmanaged. I bought these in hopes that when I do soak and scrub my heels that I can keep the cracking at bay. These have been a godsend. I wear them every night and my heels are nice and soft. I plan on purchasing more. A couple of things I have noticed, if I wear these during the day, the bottom of my feet do seem to sweat and there is some slipping. I have only washed these are directed (hand washing) and you will want to after a couple washes because it could give a sweaty feet smell. Overall, I highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
A
Verified Purchase
Amazon Customer
Fort Morgan, US
★★★★★ 5
Moisturized heels out of the box
Color: Fuzzy Lilac Purple, Size: Regular
Work without adding anything to your feet, but there are extra nice if you wanted to add a moisturizer to you heel and not get it all over your socks. Worth the money!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
C
Verified Purchase
Claire S
Carnegie, US
★★★★★ 5
A Staple in Skin Care Routine
Style: Milky Toner
This toner has become a staple in my skincare routine. I have sensitive skin and a lot of products tend to cause irritation or redness, but this one has been incredibly gentle from the start. My skin always feels soft, calm, and hydrated after using it. The texture is lightweight with an almost soapy feel at first, but it absorbs quickly and never leaves my skin feeling greasy or heavy. It layers well with the rest of my skincare and works great both morning and night. I also appreciate that it gives results similar to more expensive brands without the high price tag. Definitely one of the better affordable skincare products I’ve tried.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026

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