10Pcs Carburetor Main JETS kit & 10Pcs Slow Pilot Jet for PWK Keihin 40x Carburetor Main Jet Pilot Slow Jet Needle Kit For Keihin FCR PWK 10Pcs Carburetor Main JETS kit & 10Pcs Slow Pilot Jet for PWK Keihin 10Pcs Carburetor Main JETS kit & 10Pcs Slow Pilot Jet for PWK Keihin. Description Feature: GY6 CVK Main jet kit for 150cc and 125cc GY6 Carburetors. Keihin Round Style Main Jet Kit Including the following size: 100, 105, 108, 110, 115, 120, 125, 130, 135, 140 Including the following size: #32 #35 #38 #40 #42 #45 #48 #50 #52 #55 Known Models: For: Keihin PWK type CVK type PE, etc carburetor. Also will for other brand PWK, CVK, PE type carburetor. OKO, KOSO, Stage 6, Polini,etc. Note: Not for CV, VE & CVK Above 30mm carburetor Package including 20 x Carburetor Main Jet Kit 20 x Slow Plot Jet