Usage Tips:Part Number: Emulsion Tube: GX140 GX160 GX200, Jets: #32 #33 #34 #35 #36 #37 #38. Type: Carburetor Carb Main Jet Kit, Carburetor Carb Jet Kit. The E pipe features a slightly larger main bore and fewer bleed holes, enhancing performance across the rev range with improved throttle response in the low to midrange. High quality: Carburetor carb main jet kit made of solid brass material. Durable brass construction offers resistance to erosion and high temperature ductility. Precision machined on CNC lathes for smooth surface finish and accurate dimensions, ensuring stable performance for long-term use. Direct replacement: Carburetor carb jet kit is a direct fit replacement; no complicated tools required, easy installation. Note: Please carefully verify the part number to ensure compatibility with your equipment. Size Chart: Emulsion Tube: 0.6cm x 0.4cm x 2.8cm Jets: Top: 0.7cm, Bottom: 0.6cm Package Includes: 1 Emulsion Tube, 7 Jets Note: Slight variations may occur due to manual measurement and differences in display monitors.