Enter your Engine Family Number and we will confirm whether this exact converter is street-legal for your vehicle.
COMP Cams 11-773-8 Xtreme Energy 254/260 Solid Roller Cam for Chevrolet Big Block 396-454
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.
Best for Pro Street. Needs good intake and exhaust, 11:1+ compression and 3500+ stall.
BBC - 1965-66 396 c.i.d. models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or return policies._x000D_.
Specifications
| Camshaft Series | Xtreme Energy |
| Usage | Street/Performance |
| Cam Type | Solid Roller |
| Grind Number | XR292R |
| Basic Operating RPM Range | 3200-7,200 R3 |
| Intake Duration at .050 Inch Lift | 254 DD |
| Exhaust Duration at .050 inch Lift | 260 DD |
| Advertised Intake Duration | 292 DD |
| Advertised Exhaust Duration | 298 DD |
| Lobe Separation | 110 DD |
| Intake Valve Lift | 0.66 IN |
| Cam and Lifter Kit Upgrade | CL11-773-8 |
| K-Kit Upgrade | K11-773-8 |
| Lifter Type | Solid Roller |
| SK-Kit Upgrade | SK11-773-8 |
| Exhaust Valve Lift | 0.666 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) |
| Grind Number | XR292R |
⚠️ 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.
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
