View Full Version : Power Valve selection (4160 Holley carb)

07-18-2005, 09:40 AM
Need a little help. I am going to replace the power valve in my 4160 Holley carb, but I do not know the correct size to use. I have a 1990 Maristar 210 with a 351 (not the HO version). I thought that the first time I replaced the power valve that is was a 6.5 from Skidim, but the one on the website now appears to be a 2.5.

Does anyone know what the correct one should be or what differences in performance I might get from using different size power valves? Thanks for any help.

87MC Dave
07-18-2005, 03:53 PM
that seems to be the only choice. I would call Vince at Skidim and ask him. He would be able to tell you in a second.

07-19-2005, 10:11 AM
Why don't you just take it out and look at the numbers stamped on the valve itself? That will tell you what you want to know.

07-19-2005, 12:24 PM
Im going to go with the 6.5 valve. I found quite a bit of information on correctcraftfan.com regarding power valves. It appears that the 2.5 valve is from an older kit and will limit the hole shot performance. Heres a link for some good discussions.