XE HL 251/257 H-Flat K-Kit Chrys 383-440

Comp Cams Xtreme Energy HI-LIFT 251/257 Hydraulic Flat Cam for Chrysler 383-440 - 21-229-4. Serious street and bracket race cam. 10:1 compression, lower gears, headers and 3500+ stall. Xtreme Energy HI-LIFT 251/257 Hydraulic Flat Cam for Chrysler 383-440. PRODUCT NOTES: Camshaft Series - Xtreme Energy Hi-Lift Usage - Street/Performance Cam Type - Hydraulic Flat Tappet Grind Number - XE295HL Basic Operating RPM Range - 3,000-6500 R3 Intake Duration at .050 Inch Lift - 251 DD Exhaust Duration at .050 inch Lift - 257 DD 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 Lifters Included - No 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 Lifter Type - Hydraulic Flat Tappet California Proposition 65 - WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov SK-Kit Upgrade - SK21-229-4 Title - Xtreme Energy HI-LIFT 251/257 Hydraulic Flat Cam for Chrysler 383-440 Amazon ASIN - B000P595HY C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? - Yes, but must be a race/competition only vehicle. C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967? - Yes, but must meet tailpipe emission standards for year of vehicle. C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965? - Yes, but must meet tailpipe emission standards for year of vehicle. C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? - Yes, but must meet tailpipe emission standards for year of vehicle. C.A.R.B. Exempt for On-Road Vehicles?: No C.A.R.B. Exemption Reason: N/A C.A.R.B. E.O. Number: N/A. Lethal Performance is proud to offer the entire line of Comp Cams products! For more than 35 years, the COMP Cams® mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group™ has grown to multiple companies and hundreds of employees, we still retain the competitive spirit and desire to be the very best that has positioned COMP Cams® as the absolute leader in valve train components. With COMP Cams®, there is no compromise - you're in first place.