I just puchased some arp head studs part# 247-4203
it says to mill the rocker arm pedistal...is this really needed or is that why you have to mill the valve covers on these trucks?
Thank you for any help

 

yes you have to mill the rocker arm pedestals!!!

 

I just got off the phone with arp and they said you have to drill and tap the block on that row of studs and mill the pedistal or you can just mill out the valve covers

 

I was under the impression that the older sets of ARP head studs, you had to clearance the valve covers, but with the new sets, they made those ones shorter so they wouldn't hit the valve covers, but now you have to mill the pedestals.

 

they may have not knew what they was talking about when i called ....I will find out tonight and let everyone know for sure

 

everyone i know just doesnt install the washer just the not on the top ones and it clears the cover and works great

 

yes you need to bottom tap the holes and mill your rocker pedestals

If the washer is not needed than why does it come with the kit?

 

I didnt put washers on the top of mine

 

there obviously supposed to be there. but it works just fine without them. why waste time and money getting them machineded

 

doesnt it specifically say on the directions that you have to get them milled. i think this is one of those things where its better not to make a short cut.