I bought Hedman 78506 shorty HTC headers and the same problem..two of the tubes hit the lower center head boss on the drivers side. Spoke to Hedman and they said they would get their production team to correct. After 5 weeks they sent me another set and they were exactly the same. I made a jig...
The Hedman headers are a good fit for a street car, clear the P/S, starter and column w/o problems as well as being short you can tailor your head pipes to give good ground clearance even with 2 1/2 pipe.
I have a brand new set of Hedman HTC coated headers that I modified so no grinding of the head is needed. I had a long drawn out back and forth with Hedman and they sent me a redesigned set that were exactly the same as the first set. I modified them to fit w/o grinding and sent them the fix and...