CG 125 Euro vs Non Euro vs Self start ring piston kit, which one is best for sound

[mubnarf]

A.O.A
Kiya koi btae ga ke CAM Gerari, Connecting Rod, Rocker etc bd jb Ring piston decide krne ho ke konsa lagwae to konsa use krna best ha engine bnwata time jis se full heavy sound bane Honda CG 125 ka bilkul dholki sound jise kehte jankar wala???