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COMP Cams 54-601-11 Mutha' Thumpr 227/241 Hydraulic Roller Cam for GM LS GEN III/IV
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Enter your Engine Family Number and we will confirm whether this exact converter is street-legal for your vehicle.
High performance street/ strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
Mutha' Thumpr 227/241 Hydraulic Roller Cam
Specifications
| Camshaft Series | Thumpr |
| Cam Type | Hydraulic Roller |
| Grind Number | 283THR9 |
| Basic Operating RPM Range | 2,300-6,600 R3 |
| Intake Duration at .050 Inch Lift | 227 DD |
| Exhaust Duration at .050 inch Lift | 241 DD |
| Advertised Intake Duration | 283 DD |
| Advertised Exhaust Duration | 303 DD |
| Lobe Separation | 109 DD |
| Intake Valve Lift | 0.563 IN |
| Exhaust Valve Lift | 0.546 IN |
| 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) |
| Lifter Type | Hydraulic Roller |
| Grind Number | 283THR9 |
⚠️ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.
Warranty: 12 Months
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Shipping: Free to the USA.
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