Hi guys. I need help with which turbo spec to run on my new engine if anyone can help?

Not after a lag monster if possible.

Car is a s2 turbo

Engine spec is

Full p8 cosworth management, coilpack etc
Siemens injectors
Cvh
Worked head
Kent 35 cam kit
Double valve springs
Kent pulley
Block slightly overbored
5 layer steel head gasket
Wossner 8:1 forged pistons
Pec steel rods
New genuine Ford oil pump
New water pump
Unground crank
New sump
Arp bolts
Arp stud and nut kit

Cheers