This 65um (micron) pre-filter sock press-fits and uses a safety lock washer. These filters are compatible with gasoline and alternative fuels such as methanol, ethanol, E85, etc.

It has been confirmed to work on the following popular in-tank fuel pumps among others:

• Walbro 255 GSS341
• Walbro 255 GSS342
• Walbro F9000262
• Walbro F9000267
• Walbro F9000273
• Walbro F9000274
• Walbro F9000285
• Walbro F9000295
• AEM 50-1000 Gas
• AEM 50-1200 E85
• Aeromotive 340R 11141
• Aeromotive 340R 11142
• Deatschwerks 9-301-1000