Enter your Engine Family Number and we will confirm whether this exact converter is street-legal for your vehicle.
COMP Cams 54-448-11 XFI XE-R 238/240 Hydraulic Roller Cam for GM LS GEN III/IV
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.
Xtreme Energy XE-R design for large cubic inch LS6 and LS1.
XFI Xtreme Energy-R 238/240 Hydraulic Roller Cam
Specifications
| Grind Number | XER287HR |
| Basic Operating RPM Range | 2,800-7,200 R3 |
| Intake Duration at .050 Inch Lift | 238 DD |
| Exhaust Duration at .050 inch Lift | 240 DD |
| Advertised Intake Duration | 287 DD |
| Advertised Exhaust Duration | 289 DD |
| Lobe Separation | 112 DD |
| Intake Valve Lift | 0.605 IN |
| Exhaust Valve Lift | 0.609 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) |
| Cam and Lifter Kit Upgrade | CL54-448-11 |
| K-Kit Upgrade | K54-448-11 |
| Lifter Type | Hydraulic Roller |
| Camshaft Series | XFI XE-R |
| Cam Type | Hydraulic Roller |
| Grind Number | XER287HR |
⚠️ 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
