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View Full Version : How long is a standard header bolt?


Rick93coupe
03-11-2008, 09:56 PM
Sending back the bolts from ARP because they don't fit an EFI engine at all. Damn near none of them are right. :mad:
ibstrokin
03-11-2008, 10:16 PM
3/4" of threads
Rick93coupe
03-11-2008, 10:17 PM
Thanks brother.