Carburetor Jet Kit Fuel Delivery System Improved Combustion Efficiency

1 set of carburetor injection kit. Wide Compatibility: The kit is compatible with a variety of engine models, including 301cc, 420cc, forGX270 ,for GX390 andfor GX340, for Ducar Rato 274cc, 301cc, 338cc, 389cc, 420cc, 459cc, etc., making it the choice for most applications and engine types.