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Technical Articles for Part Number CCA-MK54-702-11
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COMP Cams Thumpr LS Master Camshaft Packages
Camshaft Kits, Thumpr LS Master Camshaft Packages, Hydraulic Roller Tappet, 280 Int./299 Exh. Advertised Duration, Chevrolet, 4.8L, 5.3L, 6.0L, Kit
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Overview
Brand:
Manufacturer's Part Number:
MK54-702-11
Part Type:
Product Line:
Summit Racing Part Number:
CCA-MK54-702-11
Item Number:
5279389
UPC:
00036584387619
Cam Style:
Hydraulic roller, OE roller
Basic Operating RPM Range:
1,800-6,500
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
Larger version of No Springs Required (NSR) Thumpr design for 5.3L & 6.0L truck applications. Ideal for more highly modified truck w/ headers, converter, gear etc.
Intake Duration at 050 inch Lift:
226
Exhaust Duration at 050 inch Lift:
237
Duration at 050 inch Lift:
226 int./237 exh.
Advertised Intake Duration:
280
Advertised Exhaust Duration:
299
Advertised Duration:
280 int./299 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.541 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.539 in.
Valve Lift with Factory Rocker Arm Ratio:
0.541 int./0.539 exh.
Lobe Separation (degrees):
113
Camshaft Gear Attachment:
3-bolt
Computer-Controlled Compatible:
Yes
Lifters Included:
Yes
Lifter Style:
Hydraulic roller
Valve Springs Included:
Yes
Outside Diameter of Outer Spring (in.):
1.077 in./1.282 in.
Retainers Included:
Yes
Locks Included:
Yes
Valve Stem Seals Included:
Yes
Timing Chain and Gears Included:
Yes
Timing Chain Style:
Double roller
Assembly Lubricant Included:
No
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
No
Quantity:
Sold as a kit.
COMP Cams Thumpr LS Master Camshaft Packages
COMP Cams Thumpr LS Master camshaft packages come as a complete valvetrain parts package that is matched for specific LS applications and desired performance. COMP Cams engineers have spent countless hours testing and creating valve train component combinations that are perfectly matched for maximum horsepower and dependability, as well as creating that wildly popular Thumpr sound in GM LS applications. These packages can add anywhere from 60 to 110 hp (depending on the application).
COMP Cams Thumpr LS Master camshaft packages include:
* Thumpr LS camshaft
* Lifters
* Timing gear set
* Pushrods
* Valve springs
* Retainers
* Valve locks
* Spring seats
* Valve seats
Applications
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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