Carburetor Intake Manifold Spacer Insulator for 4 Stroke Scooter Moped 152QMI 157QMJ 1P57QMJ GY6-125 GY6-150 Bolt Spacing: 46mm Inner Hole Diameter: 23.3mm Overall Length: 58.6mm Overall Width: 38.6mm Thickness: 4.8mm Application: GY6-125/150 cc ATVs (Engine number 152QMI or 157QMJ) Features: The GY6-125/150 Carburetor Intake Manifold Spacer Insulator is designed to improve performance and.It is made to withstand daily use with precise dimensions for a proper fit with GY6-125/150 cc engines and ATVs equipped with engines 152QMI or 157QMJ.This insulator enhances engine efficiency and power output.The insulator is versatile and suitable for 125cc mopeds and 150cc.It provides a secure and seal for the intake manifold.Its lightweight construction ensures strength without adding unnecessary weight, making it suitable for both recreational and daily use.The insulator optimizes airflow to the engine, improving acceleration and speed.Its precise dimensions and materials contribute to efficient , reducing the risk of engine damage and enhancing fuel efficiency.Whether for city commuting or open-road riding, this insulator is a practical upgrade for better performance.Item includes a paper gasket.Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.