Hi,
Have been looking all over the place for the correct Needle & Seat for a Holley 780 Dual Feed with Vacuum Secondaries that goes on a 1966 427ci/425hp. The needle is the taller one, as most applications used the regular shorter versions. Why Holley put the taller versions in this body is beyond me, but the short ones just won't work. Been there and done that. Really need the taller set-up. I don't know where to lookanymore. Been everywhere, folks saying they've seen them, but don't know where to get them. I really cannot spend the cost to have a set made. If anyone out there can help, please reply.