20pcs carburetor main jets slow pilot jets kit set compatible with keihin oko koso pe pwk carb an ruijia features:<br> ● long service life and durability<br> ● copper, not easy to rust<br> <br> application: with pwk pe for keihin oko carb compatible main jets & slow/pilot jets<br> <br> package includes:<br> ●10x main jets<br> ●10x slow pilots