dstan said I'm going to check whatever I get with the old playdoh test. Howard cams told me they would suggest this a few minutes ago. SKU:CL720581-10 Stock #:CL720581-10 UPC #:840793147304 Camshaft Type: Hydraulic Flat Tappet Duration Exhaust: 283 Duration Intake: 277 Duration at 050 Exhaust: 236 Duration at 050 Intake: 230 Engine: 383-440 Firing Order: 1-8-4-3-6-5-7-2 Intake Centerline: 106 Lobe Separation: 110 Engine Manufacturer: Chrysler RPM Range: 2400 to 6200 Valve Lift Exhaust: .547 Click to expand...