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COMP Cams Thumpr Hydraulic Flat Tappet Camshaft and Lifter Kit Lift .479"/.465" Duration 279/297 RPM Range 2000 to 5800

249-CL12-600-4


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Thumpr Hydraulic Flat Tappet Camshaft and Lifter Kit Lift .479"/.465" Duration 279/297 RPM Range 2000 to 5800
$371.95
9 left in stock
Thumpr Hydraulic Flat Tappet Camshaft and Lifter Kit
Lift .479"/.465"
Duration 279/297
RPM Range 2000 to 5800
Free Shipping - Ships on Monday
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CL12-600-4 - Comp Cams Thumpr Hydraulic Flat Tappet Cams is rated 5.0 out of 5 by 4.
Rated 5 out of 5 by from Horse power to the people! Haven't installed it yet but can't wait. Love comp company. They have so many grinds along with valve train parts and experience
Date published: 2023-01-09
Rated 5 out of 5 by from Love it Awesome sound everyone turns their head. Lots of power.
Date published: 2018-05-12
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Will I need a vacuum pump for brakes with this cam?

Asked by: My 68 C10
The Comp 249-CL12-600-4 cam is not brake specific, vacuum will need checked at installation.
Answered by: jshook
Date published: 2025-05-13

I can’t seem to find what pound springs I need for this cam. Can I run 500 pound pac racing springs?

Asked by: Coot
The Comp 249-CL12-600-4 cam kit uses Comp 981 springs.
Answered by: jshook
Date published: 2025-04-15

Will these work on a stock 350 roller rocks and springs and push rods

Asked by: Chris chris
The Comp 249-CL12-600-4 cam kit will work with stock springs and pushrods, it will need a rocker upgrade.
Answered by: jshook
Date published: 2025-01-22

What push rod do I need to run with the cam same as will stock rockers work? I want a nice choppy idle but I want it to perform good as well.

Asked by: Eliseeeoooooo
The Comp 249-CL12-600-4 cam will work with stock pushrods.
Answered by: jshook
Date published: 2025-01-06

Will this work with a stock 1998 chevy c2500 with the 5.7

Asked by: Randy
The Comp 249-CL12-600-4 cam kit does not work with factory EFI on a '98 C2500.
Answered by: jshook
Date published: 2024-12-16

I have a 1990 gmc k2500 5,7 tbi stock engine will this cam be fine with it?

Asked by: Bob27
The Comp 249-CL12-600-4 cam kit does not work with factory EFI.
Answered by: jshook
Date published: 2024-07-17

I have a 87 chevy sb with stock heads, will this cam be fine? and what part number for the springs can I get to match this cam? Thanks

Asked by: Anthony07
The Comp 249-CL12-600-4 cam kit will fit an '87 Chevy small block and uses Comp 981-16 springs
Answered by: jshook
Date published: 2024-09-06

Will I need to change my push rods (7.800) ?? I have a 350  with an automatic transmission.

Asked by: John Henry
The Comp 249-CL12-600-4 cam kit uses stock pushrod lengths.
Answered by: jshook
Date published: 2024-09-06
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WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

Tools:

WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

Electrical Cords

WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.