Pro Chaser Carburetor for Troy Bilt TB110 Lawnmower with a 140cc 550EX Engine

Good to know before placing order A minor difference in carburetor design may result in a different model. Please carefully check if the pictures match with your carb. And feel free to contact us if you are not sure if this is the right model for you. Send us pictures of your current carb with clear shots on each side, we can help find a right match for you. Check out below listing link for shut off valves you may be looking for: https://www.amazon.com/dp/B07MFRKJNS https://www.amazon.com/dp/B07MQ6X5C3