COMP Cams 54-602-11 Big Mutha' Thumpr 235/249 Hydraulic Roller Cam for GM LS GEN III/IV
54-602-11 Big Mutha' Thumpr 235/249 Hydraulic Roller Cam for GM LS GEN III/IV
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SKU:CO54-602-11
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Product Information
Big Mutha' Thumpr 235/249 Hydraulic Roller Cam

Product Information
Big Mutha' Thumpr 235/249 Hydraulic Roller CamTechnical Information
Features +
Genuine performance part backed by Engine Master Australia.
Specifications +
- Manufacturer
- COMP Cams
- MPN
- Not provided
- UPC
- 036584195184
- Our Part Number
- CO54-602-11
Exhaust Valve Lift: 0.558
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: No
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Billet Steel
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Lifter Type: Hydraulic Roller
Amazon ASIN: B001P24PPI
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?: No
C.A.R.B. Exemption Reason: N/A
C.A.R.B. E.O. Number: N/A
10602: 291THR9
Camshaft Series: Thumpr
Cam Type: Hydraulic Roller
Grind Number: 291THR9
Basic Operating RPM Range: 2,600-6,800
Intake Duration at .050 Inch Lift: 235
Exhaust Duration at .050 inch Lift: 249
Advertised Intake Duration: 291
Advertised Exhaust Duration: 311
Lobe Separation: 109
Intake Valve Lift: 0.573
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: No
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Billet Steel
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Lifter Type: Hydraulic Roller
Amazon ASIN: B001P24PPI
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?: No
C.A.R.B. Exemption Reason: N/A
C.A.R.B. E.O. Number: N/A
10602: 291THR9
Camshaft Series: Thumpr
Cam Type: Hydraulic Roller
Grind Number: 291THR9
Basic Operating RPM Range: 2,600-6,800
Intake Duration at .050 Inch Lift: 235
Exhaust Duration at .050 inch Lift: 249
Advertised Intake Duration: 291
Advertised Exhaust Duration: 311
Lobe Separation: 109
Intake Valve Lift: 0.573
Fitment +
Confirm compatibility with our team before ordering when your application is not listed.
Brand +
COMP Cams
COMP Cams develops performance camshafts and coordinated valvetrain components for a broad range of engine platforms. The range includes camshafts, lifters, valve springs, rocker systems, timing components and matched kits for street and competition builds.