GMPP header flanges are really nice!!
06-08-2004, 08:27 PM
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GMPP header flanges are really nice!! I got a set of GMPP header flanges today and they are really a nice piece of work,about 7/16 thick with one side machined to mate to head.The holes are 1.75 so if you want bigger they have to be enlarged to fit the pipe you want to use.Just wanted to let you guys know.See ya!! 
