PWK PE idle volume openings: #32 #35 #38 #40 #42 #45 #48 #50 #52 #55

PE main volume openings: #100 #105 #108 #110 #115 #120 #125 #130 #135 #140

Suitable for various small motorcycles, ATVs, and karts equipped with carburetors for 125cc to 250cc GY6 engines. It also fits PWK, CVK, and PE type carburetors, including brands such as Oko, Koso, Stage-6, and Polini. However, it is not compatible with CV, VE, and CVK carburetors exceeding 30mm (1.18 inches).