First off hi thnks for comin 2 help if u can I am currently tunning my runner 125 sp n i am lookin 2 replace the pistion head and ring but i cant find anywhere tht sells thm or the size i need am lookin for standard size but if there is a perfomance 1 tht fits standard and dnt cost 2 much more i am willing 2 splash out on it so if u can help me out thnk you vry much runner 125sp polini race belt malossie panalair filter 12.5 rollers medium clutch springs techigas rs handmade exhaust f1 style carbon fiber mirrors
