COMP Cams
Comp Cams Camshaft, LS1 291T HR-109 BMT Thumpr
Comp Cams Camshaft, LS1 291T HR-109 BMT Thumpr
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$415.17 USD
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$415.17 USD
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- Free fitment check before you order
Camshaft, LS1 291T HR-109 BMT Thumpr by COMP Cams. Check the part number and details below against what you are replacing. A cam change usually goes together with matching lifters, springs and break-in oil.
Quick facts
- Brand: COMP Cams
- Part type: Camshaft
Specifications
- Lifter Type: Hydraulic Roller
- Cam Family: Thumpr
- RPM Range: 2600 to 6800
- Valve Timing: 0.006
- Lobe Separation: 109°
- Intake Centerline: 103°
- Valve Lash: Hyd
- Duration: 291/311
- Valve Lift: 0.573/0.558
- Lobe Lift: 0.338/0.329
Listed fitment
- 2001 - 2004 Avanti II Base
- 2008 Buick LaCrosse CXS
- 2008 - 2009 Buick LaCrosse Super, CXL, CX
- 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
- 2009 - 2015 Cadillac CTS Premium, Base, V, Luxury
- 2013 Cadillac CTS V Luxury
- 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 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, Base, Z71
- 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 2SS, 1LT, 1SS
- 1998 - 2002 Chevrolet Camaro Base, Z28, Z28 SS
- 2010 - 2015 Chevrolet Camaro LT, LS, SS
- 1998 Chevrolet Camaro Lujo
- 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
- 2013 Chevrolet Corvette 427, LT
- …and 112 more
Tip: Follow the cam break-in procedure for flat-tappet cams, and use assembly lube on the lobes.
Before you order: fitment and what to plan
The camshaft sets when each valve opens and how far. Its profile shapes how the engine makes power.
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? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentPlan the whole job
- 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: Camshafts · 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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