Feature: 1. Application Type: GY6 CVK main jet kit is replacement for 150cc and 125cc GY6 carburetors. 2. Complete Jet Kit: Main jet and slow jet is suitable for many carburetor jet to meet your various needs. 3. Quality Material: Carburetor jet kit is made of metal materials, with maximum durability and long service life. 4. Simple Installation: No need complicated tools, easy to use, can save your time and energy, convenient for using. 5. Original Factory Standard Configuration: Replace the old or broken ones directly without worrying about quality problems and easy to use. Specification: Item Type: Main Jet with Slow Jet Material: Metal Carburetor Main Jet Model: #100, #105, #108, #110, #115, #120, #125, #130, #135, #140 (PWK 21mm-34mm) Carburettor Slow Jet Model: #32, #35, #38, #40, #42, #45, #48, #50, #52, #55 Fitment: Replacement for Keihin PWK Type CVK Type PE Type Carburetor. Replacement for OKO, for KOSO, Stage-6 Carburetor. Package List: 10 x Carburetor Main Jet10 x Slow Jet Note: Note: Not replacement for CV, VE and CVK carburettors over 30 mm.