i have a set of longtubes and a 3inch header back exhaust forsale.the headers are mac stainless steel with 1 3/4 primarys .they fit a 351w in a fox body.And the header back is also mac with the hpipe and mac prodump mufflers.asking $400. for all of it.

 

ttt

 

Any idea if these are the MAC headers will allow for spark plug clearance on GT40p heads?

 

?????????????.you can always bring a cylinder head over and try.

 

These still for sale?
( And yes I do realize this is about 5 months old, but taking a shot in the dark at it )