NOTE: There has been many different intakes designed for the American Turbine 309. We have designs for the most common ones built. Use the provided measurements in the pictures to verify which intake you have.
You can also contact PPI for assistance on determining which stomp grate you need. You will need to provide measurements between intake grate bolts, and pictures of your current grate. Pictures can be emailed to us at info@PPImarine.com.