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Technical Articles for Part Number CCA-MK54-700-11
COMP Cams Thumpr LS Master Camshaft Packages
Camshaft Kits, Thumpr LS Master Camshaft Packages, Hydraulic Roller Tappet, 272 Int./291 Exh. Advertised Duration, Chevrolet, 4.8L, 5.3L, 6.0L, Kit
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Estimated Ship Date: Oct 23, 2026
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Overview
Brand:
Manufacturer's Part Number:
MK54-700-11
Part Type:
Product Line:
Summit Racing Part Number:
CCA-MK54-700-11
UPC:
00036584387596
Cam Style:
Hydraulic roller, OE roller
Basic Operating RPM Range:
1,500-6,300
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
Perfect choice for sound & power in performance truck applications. Budget friendly, No Springs Required (NSR) version of extremely popular Thumpr designs.
Intake Duration at 050 inch Lift:
218
Exhaust Duration at 050 inch Lift:
229
Duration at 050 inch Lift:
218 int./229 exh.
Advertised Intake Duration:
272
Advertised Exhaust Duration:
291
Advertised Duration:
272 int./291 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.541 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.530 in.
Valve Lift with Factory Rocker Arm Ratio:
0.541 int./0.530 exh.
Lobe Separation (degrees):
111
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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