Id buy ARP 3/8" header bolts... chrome (polished) or black, your choice. I like the chrome ones myself. Also Id use a Fel Pro header gasket. tighten the piss out of them, and when its running, drive it 50-100 miles, and retighten all of the bolts as tight as you can get. you should be all set after that. Sometimes people put a drop of blue locktite on the bolts to make sure they dont back out, Ive only done that on one car cause the motor shook so bad it rattled my bolts out. Id lose one once a week or so.
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86 GT 374 Billet "W" w/ 72MMs
90 GT 351 Dart short stroke w/ YSi
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