Description COMP Xtreme Energy Hi-Lift Camshaft 64-02 Chrysler Dodge Plymouth 273-360ci V8-CCA20-229-4 Xtreme Energy HI-LIFT 251/257 Hydraulic Flat Cam for Chrysler 273-360 Advertised Exhaust Duration:304 Advertised Intake Duration:295 Assembly Lubricant Included:Yes Basic Operating RPM Range:3,000-6800 Cam Type:Hydraulic Flat Tappet Camshaft Gear Attachment:1-Bolt Camshaft Material:Cast Iron Camshaft Series:Xtreme Energy Hi-Lift Engine Family:Chrysler 273-360 c.i. 8 Cylinder (1964-2002) Exhaust Duration at .050 inch Lift:257 Exhaust Valve Lift:0.564 Grind Number:XE295HL Intake Duration at .050 Inch Lift:251 Intake Valve Lift:0.564.

Lifter Style:Hydraulic Flat Tappet Lifters Included:No Lobe Separation:110 Usage:Street/Performance Valve Springs Required:Yes Cam and Lifter Kit Upgrade:CL20-229-4 K-Kit Upgrade:K20-229-4 *Xtreme Energy Camshafts* * Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve * More vacuum allows an increase in duration for improved performance and assists power brakes * Excellent performance in street carbureted applications * Best performance with aftermarket intake manifolds, headers, lower gear ratios, etc.