Stomp Pit Bike Molkt Race Carb 26 mm Gen3 Demon X WPB, , This is the carb as supplied with most engines these days from 140-160 cc. It?s the GEN 3 version which offers significant performance benefits over the previous 2 versions of this carb. , , Old carbs suffers from poor castings & poor fuel atomisation. We are pleased to offer this upgraded carb which now does exactly what it says on the tin. A very good value performance upgrade / modification., , Bolts on to almost any standard pit bike or monkey bike manifold. Comes jetted to suit 140-160 engines without any adjustments being required.