Custom processing is the purpose of PWK main jet hole, main jet and auxiliary jet Idle port size 32-80 (mm) model KE N424-21 applicable models PWK PWM CVK PD FCR carburetor article number SCL-2018090003 specification #32, #35, #38, #40, #42, #45, #48, #50, #52, #55, #58, #60, #62, #65, #68, #70, #72, #75, #78, #80 Compatible with Mikuni VM22 VM24 VM26 can be used for PWK carburetor suitable for FTER MARKET FCR, CRS, PWM Product name: Main Jet Slow/Pilot Jet For PWK Keihin OKO KOSO PE Carburetor Vice injectors Carburetor Vice injectors modified auxiliary jets idle speed jets Product Details : Brass Applicable: FTER MARKET FCR, CRS, PWM PE-20-28PE (Motocross) PJ PDVG (Motocross) (ATV) PWK (Motocross) PWM (Motocross 21mm – 42mm Carburetor )