upgraded 2.2l engine

[LOPI]

Salam n gud morning guys.
give me suggestion for my h22a upgraded.
i already install jun stage 3 cam shaft n oversize valve
how about piston?
do i need to install jun piston as well?
where i can find it 'halfcut' or 'new'?
also the price bajet...

 

[UnicornSpeed]

your piston size 86 or 87? oversize & dome...

 

[LOPI]

piston 87 high compression..

 

[DanzEterna]

need to upgrade crankshaft too rite..

 

[LOPI]

crankshaft i maintain stok..