So yeah here is my k20a3 with a2 head arp head studs a2 oil pump . Other than that it's bone stock . It's boosted so I guess supporting mods to boot but block virtually stock. car is on 17 psi in winter and on 23 psi summer so we can say 20psi. It's street tuned by picture. Local in mn for awesome tuning. But here she is what I call the chum bucket or 50 shades of grey. Haha look forward to contributing to the page thanks again.