Enter your Engine Family Number and we will confirm whether this exact converter is street-legal for your vehicle.
COMP Cams 21-229-4 Xtreme Energy HI-LIFT 251/257 Hydraulic Flat Cam for Chrysler 383-440
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.
Serious street and bracket race cam. 10:1 compression, lower gears, headers and 3500+ stall.
Xtreme Energy Hi-Lift 251/257 Hydraulic Flat Tappet Cam for Chrysler 383-440 (Single-Bolt). Serious street and bracket Race application. 10:1 Compression, lower Gears, headers and a 3500+ stall.
Specifications
| Basic Operating RPM Range | 3,000-6500 R3 |
| Advertised Intake Duration | 295 DD |
| Advertised Exhaust Duration | 307 DD |
| Lobe Separation | 110 DD |
| Intake Valve Lift | 0.564 IN |
| Exhaust Valve Lift | 0.564 IN |
| Intake Duration at .050 Inch Lift | 251 DD |
| Exhaust Duration at .050 inch Lift | 257 DD |
| Camshaft Series | Xtreme Energy Hi-Lift |
| Usage | Street/Performance |
| Cam Type | Hydraulic Flat Tappet |
| Grind Number | XE295HL |
| Lifters Included | No |
| Lifter Type | Hydraulic Flat Tappet |
| SK-Kit Upgrade | SK21-229-4 |
| Valve Springs Required | Yes |
| Assembly Lubricant Included | Yes |
| Camshaft Gear Attachment | 1-Bolt |
| Camshaft Material | Cast Iron |
| Engine Family | Chrysler 383-440 c.i. 8 Cylinder (1959-1980) |
| Cam and Lifter Kit Upgrade | CL21-229-4 |
| K-Kit Upgrade | K21-229-4 |
| Grind Number | XE295HL |
⚠️ 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
