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COMP Cams 21-229-4 Xtreme Energy HI-LIFT 251/257 Hydraulic Flat Cam for Chrysler 383-440
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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 RPM |
| Advertised Intake Duration | 295 deg |
| Advertised Exhaust Duration | 307 deg |
| Lobe Separation | 110 deg |
| Intake Valve Lift | 0.564 IN |
| Exhaust Valve Lift | 0.564 IN |
| Intake Duration at .050 Inch Lift | 251 deg |
| Exhaust Duration at .050 inch Lift | 257 deg |
| 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
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Shipping: Free to the USA.
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