Comp Cams Camshafts 54-446-11 Item Image
Comp Cams

Comp Cams Ls1 Xer281hr-12

SKU: 00TBW | MPN:  54-446-11
Usually Ships in 10-14 Days
Sale price$577.65 USD

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
 110Valve Timing Diagram
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

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