Koso KSR PWK Racing Carburetor Millimeters:28mm This part will make you

This part will make you wonder why you hadn't done it sooner

This is a more expensive process but provides the highest performance option available

please make sure you have a stock GY6 150cc

spiral-wound perforated core

The lightweight design and geometry of the exhaust were made to provide a significant horsepower and torque increase while maintaining a sleek design

Koso KSR PWK Racing Carburetor Millimeters:28mm This part will make youKoso is a quality brand that has been manufacturing high quality products for over 30 years. Their Koso KSR PWK Racing Carburetor features several design points to increase performance and throttle response. The method of construction consists of a semi flat D shaped slide, this allows higher fuel flow easier. With the proper AFR(air fuel ratio) you will have better throttle response. The build of this carburetor is also made to reduce the amount of