COMP Cams 11-600-8 Thumpr 227/241 Hydraulic Roller Cam for Chevrolet Big Block 396-454
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High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.
Thumpr 227/241 Hydraulic Roller Cam
Specifications
| Camshaft Series | Thumpr |
| Advertised Exhaust Duration | 303 DD |
| Lobe Separation | 107 DD |
| Intake Valve Lift | 0.547 IN |
| Exhaust Valve Lift | 0.53 IN |
| Lifters Included | No |
| Valve Springs Required | Yes |
| Assembly Lubricant Included | No |
| Camshaft Gear Attachment | 3-Bolt |
| Camshaft Material | Austempered Ductile Iron |
| Engine Family | Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) |
| Cam, Lifter and Gear Drive Upgrade | GK11-600-8 |
| Cam and Lifter Kit Upgrade | CL11-600-8 |
| K-Kit Upgrade | K11-600-8 |
| Lifter Type | Hydraulic Roller |
| Usage | Street/Performance |
| Cam Type | Hydraulic Roller |
| Grind Number | 283THR7 |
| Basic Operating RPM Range | 1,900-5,500 R3 |
| Intake Duration at .050 Inch Lift | 227 DD |
| Exhaust Duration at .050 inch Lift | 241 DD |
| Advertised Intake Duration | 283 DD |
| Grind Number | 283THR7 |
β οΈ 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
Please check the product description for the manufacturer’s application details, or ask a specialist — we’ll confirm whether it fits your vehicle before you buy.
Shipping Information
Free shipping is available for eligible orders.
Shipping: For USA - Up to 50lbs.
Orders are processed during normal business days. Delivery dates may vary by carrier and destination.
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