What is the bore size for 85mm Block to slot in 86mm Piston?

[jameswwt]

Hi Sifu's,
actually what is the bore size for Evo 5 85mm Block in order to slot in 86mm 2JZ Piston?

 

[fct]

if not wrong ,follow the piston ring size.not the piston size,piston size normally smaller 0.5mm than ring.
the experience machining shop usually know what to do.