Enter your Engine Family Number and we will confirm whether this exact converter is street-legal for your vehicle.
COMP Cams 12-444-8 Xtreme Energy 248/254 Hydraulic Roller Cam for Chevrolet Small Block
Select your vehicle to confirm fit. Add to Cart unlocks once it fits.
Product Availability Request
Fill the form and our team will contact you.
Enter your Engine Family Number and we will confirm whether this exact converter is street-legal for your vehicle.
Pro Street/bracket racing, 10:1 compression, 3500+ stall, good intake, headers. Very rough idle.
Xtreme Energy 248/254 Hydraulic Roller Cam for Chevy Small Block. Very strong torque with excellent mileage and a smooth idle. Xtreme Energy Cams bridge the gap between Magnum street cams and race only cams. Xtreme Energy Cams provide increased torque, vacuum, response, and power while still providing quiet operation of the valve train and the durability required in daily driven vehicles.
Specifications
| Camshaft Series | Xtreme Energy |
| Usage | Street/Performance |
| Cam Type | Hydraulic Roller |
| Grind Number | XR300HR |
| Basic Operating RPM Range | 3200-6,200 R3 |
| Intake Duration at .050 Inch Lift | 248 DD |
| Exhaust Duration at .050 inch Lift | 254 DD |
| Advertised Intake Duration | 300 DD |
| Advertised Exhaust Duration | 306 DD |
| Lobe Separation | 110 DD |
| Intake Valve Lift | 0.562 IN |
| Exhaust Valve Lift | 0.58 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 262-400 c.i. 8 Cylinder (1958-1998) |
| Cam and Lifter Kit Upgrade | CL12-444-8 |
| K-Kit Upgrade | K12-444-8 |
| Lifter Type | Hydraulic Roller |
| SK-Kit Upgrade | SK12-444-8 |
| Grind Number | XR300HR |
⚠️ 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
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.
Owner Reviews
Questions & Answers
Our techs answer fitment questions, usually within 2 hours. Owners chime in too.
No questions yet. Here's what shoppers usually ask. Tap one and our techs will answer.
Ask a Question
Write a review
Share your experience with this part. Reviews are checked before they go live.
Guaranteed
Shipping
Returns
Support
Frequently Paired With
