Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

COMP Cams Thumpr LS Camshaft Packages CK54-703-11 Kits, Packages, Hydraulic Roller, Advertised Duration 282/299, Lift 0.614/0.612, Pushrods, Chevy, 4.8L/5.3L/6.0L LS, Kit

SKU: CCACK54-703-11

Camshaft Kits

COMP Cams Thumpr LS Camshaft Packages CK54-703-11 Kits, Packages, Hydraulic Roller, Advertised Duration 282/299, Lift 0.614/0.612, Pushrods, Chevy, 4.8L/5.3L/6.0L LS, Kit

SKU: CCACK54-703-11

Camshaft Kits
A$2,712.29
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

COMP Cams Thumpr LS 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. Thumpr camshaft packages can add anywhere from 60 to 110 hp (depending on the application).

COMP Cams Thumpr LS camshaft packages include:

* Thumpr LS camshaft
* Pushrods
* Valve springs
* Retainers
* Valve locks
* Spring seats
* Valve seats

Part Type

Camshaft Kits

Data: v4.2 - Upd: 2026-10-14 11:16:52

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
CK54-703-11
Product Attributes - Part Type
Camshaft Kits
Product Attributes - Product Line
COMP Cams Thumpr LS Camshaft Packages
Product Attributes - UPC
00036584387633
Product Attributes - Cam Style
Hydraulic roller, OE roller
Product Attributes - Basic Operating RPM Range
1,800-6,500
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Camshaft Manufacturers Description
Thumpr lobe design for awesome idle lope in modified 5.3L & 6.0L truck engines. Required high lift valve springs ensure maximum power gains. AFM & VVT delete.
Product Attributes - Intake Duration at 050 inch Lift
227
Product Attributes - Exhaust Duration at 050 inch Lift
237
Product Attributes - Duration at 050 inch Lift
227 int./237 exh.
Product Attributes - Advertised Intake Duration
282
Product Attributes - Advertised Exhaust Duration
299
Product Attributes - Advertised Duration
282 int./299 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.614 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.612 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.614 int./0.612 exh.
Product Attributes - Lobe Separation (degrees)
113
Product Attributes - Camshaft Gear Attachment
3-bolt
Product Attributes - Computer-Controlled Compatible
Yes
Product Attributes - Lifters Included
No
Product Attributes - Valve Springs Included
Yes
Product Attributes - Outside Diameter of Outer Spring (in.)
1.320 in.
Product Attributes - Retainers Included
Yes
Product Attributes - Locks Included
Yes
Product Attributes - Valve Stem Seals Included
Yes
Product Attributes - Timing Chain and Gears Included
No
Product Attributes - Assembly Lubricant Included
No
Product Attributes - Pushrods Included
Yes
Product Attributes - Rocker Arms Included
No
Product Attributes - Gaskets Included
No
Product Attributes - Valve Springs Required
No
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU ccaCK54-703-11
SFX Item ID 4777171
Supplier Item Code 4777171
Manufacturer SKU CK54-703-11
Manufacturer UPC 36584387633
Alternative References CPCCK54-703-11, 4.8L/5.3L/6.0L

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year2007
    Ending Year2009
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
  • MakeCHEVROLET
    Beginning Year2007
    Ending Year2009
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
  • MakeCHEVROLET
    Beginning Year2007
    Ending Year2010
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
  • MakeCHEVROLET
    Beginning Year2008
    Ending Year2012
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
  • MakeCHEVROLET
    Beginning Year2010
    Ending Year2012
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
  • MakeCHEVROLET
    Beginning Year2010
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364

Loading compatibility information...

Keep shopping

More from Comp Cams