Description
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
Brand: COMP Cams
Manufacturer's Part Number: MK54-703-11
Part Type: Camshaft Kits
Product Line: COMP Cams Thumpr LS Master Camshaft Packages
HP Direct Part Number: CCA-MK54-703-11
UPC: 00036584387657
Cam Style: Hydraulic roller, OE roller
Basic Operating RPM Range: 1,800-6,500
Camshaft Use: Street/Strip
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.
Intake Duration at 050 inch Lift: 227
Exhaust Duration at 050 inch Lift: 237
Duration at 050 inch Lift: 227 int./237 exh.
Advertised Intake Duration: 282
Advertised Exhaust Duration: 299
Advertised Duration: 282 int./299 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.614 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.612 in.
Valve Lift with Factory Rocker Arm Ratio: 0.614 int./0.612 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.): 1.320 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: Yes
Rocker Arms Included: No
Gaskets Included: No
Valve Springs Required: No
Quantity: Sold as a kit.
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
Brand: COMP Cams
Manufacturer's Part Number: MK54-703-11
Part Type: Camshaft Kits
Product Line: COMP Cams Thumpr LS Master Camshaft Packages
HP Direct Part Number: CCA-MK54-703-11
UPC: 00036584387657
Cam Style: Hydraulic roller, OE roller
Basic Operating RPM Range: 1,800-6,500
Camshaft Use: Street/Strip
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.
Intake Duration at 050 inch Lift: 227
Exhaust Duration at 050 inch Lift: 237
Duration at 050 inch Lift: 227 int./237 exh.
Advertised Intake Duration: 282
Advertised Exhaust Duration: 299
Advertised Duration: 282 int./299 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.614 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.612 in.
Valve Lift with Factory Rocker Arm Ratio: 0.614 int./0.612 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.): 1.320 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: Yes
Rocker Arms Included: No
Gaskets Included: No
Valve Springs Required: No
Quantity: Sold as a kit.
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