That cam is by Speed Pro (part of Federal Mogul):
"Chrysler 318, 340 and 360 Hydraulic camshaft, 1500-4500 rpm range, 279 intake/ 290 exhaust adv. duration, duration @ .050 of 210 intake and 220 exhaust, Vavle lift of .429 intake and .442 exhaust, Lobe C/L is 114.
Matches Chrysler's 340 - 275...