Click the list below to find the corresponding spiral diaphragm upgrade kit for your carburetor model
For this list, please disregard all letters (A, B, C) and -1 that may be at the end of your carburetor model number.WALBRO SPIRAL DIAPHRAGM: THE LATEST INNOVATION IN DIAPHRAGM CARBURETORS
![](https://www.walbro.com/wp-content/uploads/2017/10/spiral-kit.png)