1. The Carburettor: Able to mix the fuel and air into a perfect ratio, the carburettor will provide engine with strong power.2. Perfect Fitting: Replacement for Stihl FS100 FS110 FS87 FS90R FS90K and for Zama C1Q S174 S173 S176, high in efficiency.3. Extensive Using: Can be widely applied to agriculture, fishery, animal husbandry, aquaculture, forestry, etc., very useful.4. Better Material: Made from premium materials with a sturdy structure, not likely to deform and very durable for long use.5. Easy to Install: Comes with a light weight and a compact size, the convenient installation can be quickly completed.