.046" main jet for Predator Engines, Fits Honda Clone Engines, Box Stock Engines, and other Chinese Clones. These can be used as replacements for stock or upgrades in performance applications.Predator 212cc, 301cc, 420cc 6.5HP, 8.0HP, 11HP, 13HPFits Honda GX140, GX160, GX200, GX240, GX270, GX390Clone engines from 5.5HP to 18HP