Originally posted by inspyral
Any aftermarket Z6/Y8 header will work fine. You can use an OEM Z6 manifold, but the Z6's have shallower oil pans, and it'll rub in one spot. You can file it down right there, but it'll still touch. Don't ask me how I know this 
:chuckles:
Hey PHiZ, I replied to your PM before I read this so I guess you can disregard it but just to let you know if you didn't already, you can get the SOHC RSR SS header for a pretty good price.