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COMP Cams 51-433-11 Xtreme Energy 236/242 Hydraulic Roller Cam for Pontiac 265-455
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Rough idle, needs 2800+ stall, lower gears and 9.5:1 compression.
Xtreme Energy 236/242 Hydraulic Roller Cam
Specifications
| Camshaft Series | Xtreme Energy |
| Usage | Street/Performance |
| Cam Type | Hydraulic Roller |
| Grind Number | XR288HR |
| Basic Operating RPM Range | 2,200-6,000 R3 |
| Intake Duration at .050 Inch Lift | 236 DD |
| Exhaust Duration at .050 inch Lift | 242 DD |
| Advertised Intake Duration | 288 DD |
| Advertised Exhaust Duration | 294 DD |
| Lobe Separation | 110 DD |
| Intake Valve Lift | 0.52 IN |
| Exhaust Valve Lift | 0.54 IN |
| Lifters Included | No |
| Valve Springs Required | Yes |
| Assembly Lubricant Included | No |
| Camshaft Gear Attachment | 1-Bolt |
| Camshaft Material | Billet Steel |
| Cam and Lifter Kit Upgrade | CL51-433-11 |
| K-Kit Upgrade | K51-433-11 |
| Lifter Type | Hydraulic Roller |
| SK-Kit Upgrade | SK51-433-11 |
| Engine Family | Pontiac 265-455 C.I. 8 Cylinder (1955-1981) |
| Grind Number | XR288HR |
⚠️ 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: Free to the USA.
Orders are processed during normal business days. Delivery dates may vary by carrier and destination.
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