Comp Cams 21-225-4 BBM Xtreme Energy Hydraulic Flat Tappet Camshaft XE284H

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This Comp Cams 21-225-4 BBM XE284H Xtreme Energy Hydraulic Flat Tappet Camshaft fits the 383-440 Big Block Chrysler from 1959-1980. Comp designed this cam for street/strip applicat ions, and it features excellent torque and a rough idle. A 9.0:1 or higher compression ratio and a 2700+ stall speed torque converter are highly recommended. Comp Cams 21-225-4 BBM XE284H Xtreme Energy Hydraulic Flat Tappet Camshaft Specs: For 383-440 cubic inch Big Block Chrysler engines from 1959-1980 Stock (O.E.) valve springs can NOT be used. Single Bolt Basic RPM Range: 2300 to 6500 Valve Lift Intake: .507 Valve Lift Exhaust: .510 Advertised Intake Duration: 284 Advertised Exhaust Duration: 296 Intake Duration at .050”: 240 Exhaust Duration at .050”: 246 Lobe Separation: 110 Firing Order: 1-8-4-3-6-5-7-2 Made in the USA Comp Cams designed this Hydraulic Flat Tappet camshaft for high performance on the street and drag strip. Comp Cams –The Absolute Leader In Valve Train Technology! Show more