okay so ill be honest ive only had my EJ2 for about five months now and ive only done mostly cosmetic work and suspension stuff, but the other day a friend gave me some parts:

D16y7 head fully assembled no valve issues still clean

D15z6 intake mani... (looks just like my stock one)

and an aftermarket header (idk what brand)

last a brand new in box set of npr Y8 pistons

some my question to you guys is seeing as they were free (and he gave me all new gaskets) would it be beneficial or worth it to put this stuff on?

 

sell it and save for a swap

 

I wouldn't bother with it. Especially the pistons, Y7/Y8 have a slight dish, D15B7 are flat topped. Intake manifold and header I might put on if they were free.