Feature: Important selling point The 1488 copper nozzle is perfect for your offroadmotorcycle carburetor. Product feature The nozzle has two calibrated holes that inject fuel into eachventuri, compensating for the short amount of time it takes for inlet airvelocity to reach the level that activates the main metering circuit. Targetaudience This product for offroadmotorcycle enthusiasts who want to improve their carburetorperformance. Usage scenario The nozzle is designed to fit perfectly into your carburetor and improve its fuel efficiency. Free form With this product, you can enjoy a smootherride and better fuel economy on your offroadmotorcycle. Specification: Material: Copper Size: As Shown Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 10Pcs Carburetor Jets