Installation Time
(approx) 5 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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Comp Cams Big Mutha Thumpr 235/249 Hydraulic Roller Camshaft (98-15 V8 Camaro)Find parts that fit my vehicle
Item CC19977
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Big Mutha' Thumpr 235/249 Hydraulic Roller Cam
- Warranty 12 Months
- Engine Family GM LS Gen III/IV 3-Bolt 8 Cylinder 1997-2015
- RPM Operating Range 2,600-6,800
- Cam Type Hydraulic Roller
- Camshaft Series Thumpr
- Camshaft Gear Attachment 3-Bolt
- Usage Street/Strip
- Advertised Intake Duration 291
- Advertised Exhaust Duration 311
- Intake Duration at 0.050 Inch Lift 235
- Exhaust Duration at 0.050 Inch Lift 249
- Intake Valve Lift 0.573
- Exhaust Valve Lift 0.558
- Lobe Lift Intake 0.338
- Lobe Lift Exhaust 0.329
- Lobe Separation Angle 109
- Intake Centerline 103
- Valve Timing Lift 0.006
- Exhaust Close ATDC 46
- Intake Open BTDC 41
- Exhaust Open BBDC 85
- Intake Close ABDC 70
- Make GM
- Engine LS Gen III/IV 3-Bolt 8 Cylinder 1997-2015
- Lifter Type Hydraulic Roller
- Fits 1998-2015 V8 Camaro
Description
Performance Camshaft. The Comp Cams Big Mutha Thumpr 235/249 Hydraulic Roller Camshaft enhances engine power and responsiveness with aggressive valve timing for both street and strip use. Designed for GM LS Gen III/IV engines, it maximizes airflow and improves overall performance across a wide RPM range of 2,600 to 6,800.
Construction and Appearance. Built from high-quality materials, this hydraulic roller camshaft features precision-ground, heat-treated lobes for durability and reliable performance under demanding conditions, with a smooth surface finish to help extend its lifespan.
Installation. Installation requires moderate mechanical skill and fits directly onto the 3-bolt camshaft gear attachment without the need for additional drilling or engine block modifications.
Warranty. Includes a 12-month limited warranty against manufacturing defects.
Application. Specifically designed to fit GM LS Gen III/IV 3-Bolt 8 Cylinder engines from 1997 to 2015, including 1998-2015 V8 Camaros, ensuring precise fitment without modification.
Comp Cams 54-602-11
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Camshaft
Tech Specs
5.0
Customer Reviews (1)
Questions & Answers
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Will It Fit My Camaro
- SS - 10, 11, 12, 13, 14, 15
- Z/28 - 14, 15
- Z28 - 98, 99, 00, 01, 02
- Z28 SS - 98, 99, 00, 01, 02
- ZL1 - 12, 13, 14, 15
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