just curious and trying to help ya out...the only cam i see with a 588 lift is on the exhaust side of a solid cam for the windsor motors....any posibilty of the below specs being it.....take care
www.ultradyne.com
280/292 106 .595/.588 251/259
Great bracket cam. 3200 lbs. 347 with 10.4:1 compression ratio ran 10.79 @ 126.38 3800-7500