• Comp Cams Camshaft, LS1 275T HR-109 T Thumpr
  • Comp Cams Camshaft, LS1 275T HR-109 T Thumpr
  • Comp Cams Camshaft, LS1 275T HR-109 T Thumpr
  • Comp Cams Camshaft, LS1 275T HR-109 T Thumpr
  • Comp Cams Camshaft, LS1 275T HR-109 T Thumpr
  • Comp Cams Camshaft, LS1 275T HR-109 T Thumpr
  • Comp Cams Camshaft, LS1 275T HR-109 T Thumpr
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COMP Cams

Comp Cams Camshaft, LS1 275T HR-109 T Thumpr

Comp Cams Camshaft, LS1 275T HR-109 T Thumpr

$417.95 USD
$417.95 USD
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  • Tracking emailed when it ships
  • Free fitment check before you order

THUMPR - High performance street, stock converter ok, best with 2000+ converter & gears, choppy/thumping idle

  • 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: Thumpr

Specifications

  • RPM Range: 2000 to 6400
  • Valve Timing: 0.006
  • Lobe Separation: 109°
  • Intake Centerline: 103°

        Intake/Exhaust

  • Valve Lash: Hyd
  • Duration: 275/295
  • Duration @ .050" Lift: 219/233
  • Valve Lift: 0.553/0.536
  • Lobe Lift:0.326/0.316


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
2010 - 2015 Cadillac CTS Performance
2013 Cadillac CTS V Luxury
2009 - 2015 Cadillac CTS V, Luxury, Base, Premium
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 LS, Black Diamond LT, Black Diamond LTZ
2007 - 2012 Chevrolet Avalanche LTZ, LT, LS
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 1SS, 1LT, 2SS
1998 - 2002 Chevrolet Camaro Base, Z28, Z28 SS
1998 Chevrolet Camaro Lujo
2010 - 2015 Chevrolet Camaro SS, LT, LS
2014 - 2015 Chevrolet Camaro Z/28
2012 - 2015 Chevrolet Camaro ZL1
2011 - 2017 Chevrolet Caprice PPV
2009 - 2012 Chevrolet Colorado Base, WT, LT
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 LS, LT, Base
2008 Chevrolet Impala 50th Anniversary Edition
2006 - 2009 Chevrolet Impala LS, SS, LT, Police, LTZ
2016 - 2017 Chevrolet LCF 3500 Base
2006 - 2007 Chevrolet Monte Carlo LT, LS, SS
2006 Chevrolet Monte Carlo LTZ
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 Hybrid, LT, WT, LS, SS
1999 - 2000 Chevrolet Silverado 2500 LT, Base, LS
2015 - 2019 Chevrolet Silverado 2500 HD High Country
2010 - 2019 Chevrolet Silverado 2500 HD LTZ, WT, LT
2015 - 2019 Chevrolet Silverado 3500 HD High Country
2010 - 2019 Chevrolet Silverado 3500 HD LT, WT, LTZ
2014 - 2017 Chevrolet SS Base
2003 - 2004 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 PPV, SSV
2000 - 2009 Chevrolet Tahoe Z71
2006 - 2007 Chevrolet Trailblazer A, B, LS
2006 - 2008 Chevrolet Trailblazer LT, Base, SS
2003 - 2006 Chevrolet Trailblazer EXT LS, LT
2003 - 2004 Chevrolet Trailblazer EXT North Face
2009 - 2012 GMC Canyon WT, Base, SLE, SLT
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 SLT, SLE
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 LT, LS
2010 - 2013 GMC Savana 2500 SL
2003 - 2013 GMC Savana 2500 SLE
2010 - 2019 GMC Savana 3500 LS, Base, LT
2010 - 2013 GMC Savana 3500 SLE, SL
2002 - 2005 GMC Sierra 1500 Base
2001 GMC Sierra 1500 C3
2002 GMC Sierra 1500 HT
2005 - 2013 GMC Sierra 1500 Hybrid
1999 - 2013 GMC Sierra 1500 SLT, SL, SLE
2002 - 2013 GMC Sierra 1500 WT, Denali
2010 - 2013 GMC Sierra 1500 XFE
2007 GMC Sierra 1500 Classic WT, SLE, Hybrid, SL, Denali, SLT
1999 - 2000 GMC Sierra 2500 SL, SLT, 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 SLT, SLE
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 Adventure, Luxury, Alpha, Base
2009 Hummer H3 Championship Series
2008 - 2009 Hummer H3 X
2010 Hummer H3T Adventure
2009 - 2010 Hummer H3T Alpha, Base
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 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 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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COMP Cams parts: what to know

This COMP Cams part. Below are fitment notes, what usually goes with it, and answers to common questions.

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, trim and drivetrain and we'll check with the supplier before you order.

Ask about fitment

Parts that usually go with it

  • Gaskets, seals and hardware. Many jobs reuse parts that should be replaced, such as one-time bolts, gaskets and O-rings. Check what the old part used.
  • Fluids. Cooling, brake, fuel and drivetrain jobs often mean topping up or bleeding fluid. Have the right type for your car on hand.

More for your car: Camshafts

Questions

Will this fit my car?
Check the product title and details for the vehicles it is listed for. If you are not sure, contact us with your year, make, model and trim and we will confirm fitment with the supplier before you order.
Do I need an alignment after installing this?
An alignment is a good idea after any suspension change.
Who do I contact with questions?
Contact us with your vehicle details and we will check with the supplier.
Where do specs and warranty details come from?
From COMP Cams. We sell parts from several brands and suppliers, and each one sets its own specs, lead times and warranty terms. The product details above are the latest we have.
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