Comp Cams 21-230-4 BBM Xtreme Energy Mechanical Flat Tappet Camshaft XS268S

This Comp Cams 21-230-4 BBM Xtreme Energy Mechanical Flat Tappet Camshaft fits the 383-440 Big Block Chrysler from 1959-1980. Comp designed this cam for street/mild strip use, and it features excellent torque and a smooth idle. A 9.0:1 or higher compression ratio, 3.55 – 4.10 rear end gears and a 2200+ stall speed torque converter are highly recommended.

Comp Cams 21-230-4 BBM Xtreme Energy Mechanical 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: 1800 to 5800
• Valve Lift Intake: .488
• Valve Lift Exhaust: .501
• Advertised Intake Duration: 268
• Advertised Exhaust Duration: 274
• Intake Duration at .050”: 230
• Exhaust Duration at .050”: 236
• Lobe Separation: 110
• Firing Order: 1-8-4-3-6-5-7-2
• Made in the USA

Comp Cams designed this Mechanical Flat Tappet camshaft for high performance on the street and drag strip.

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