IHS Head Porting Service ???

25pounds
01-30-2003, 06:03 PM
Has anyone ever heard of a place called IHS? I am looking at a set of LS1 heads that have been ported & they have IHS stamped on the end. Just wondering if this is the company that did the work. Thanks, for any help.

25pounds
01-31-2003, 11:30 PM
TTT