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COMP Cams

Comp Cams Ls1 Xer281hr-12

Comp Cams Ls1 Xer281hr-12

Regular price $417.95 USD
Regular price Sale price $417.95 USD
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COMP Cams Ls1 Xer281hr-12, with the part number and details listed below. The camshaft sets when each valve opens and how far. Its profile shapes how the engine makes power.

Quick facts

  • Brand: COMP Cams
  • Part type: Camshaft

Specifications

  • Lifter Type: Hydraulic Roller
  • Cam Family: XFIT XE-R
  • RPM Range: :: Valve Lash
  • Valve Timing: :: Duration
  • Intake Centerline: :: Valve Lift
  • Closes: 28
  • Opens: 76
  • 31: Opens
  • 71: Closes

Listed fitment

  • 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
  • …and 113 more

Tip: Follow the cam break-in procedure for flat-tappet cams, and use assembly lube on the lobes.

View full details

COMP Cams camshaft: what to know

Performance cams trade some low-speed manners for more power higher in the rev range. Stock-profile cams restore factory behavior.

Fitment notes

  • Specs, lead time and warranty come from COMP Cams and can change. The details above this guide are the latest we have.

Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.

Ask about fitment

What else to plan for

  • Lifters. New lifters on a new cam, especially flat tappet.
  • Valve springs. Match springs to the cam lift.
  • Timing set. A fresh timing set keeps cam timing accurate.

More for your car: All Camshafts · Engine

Questions about camshaft

Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
Do I need new valve springs with a new cam?
If the cam has more lift than stock, matching springs are usually needed. Check the cam card from the brand.
Where do specs and warranty details come from?
From COMP Cams. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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