57-58 End Carb Throttleblades Tri-power Engine Compartment Those are the ones that

Those are the ones that have been on the market for many years

If your's is missing or damaged this is what you are going to need

These floats are not the inexpensive floats that are Made in China and fail in a few months

Manufactured here is the USA

If you need vacuum fitting for vacuum advance on page for $5

57-58 End Carb Throttleblades Tri-power Engine Compartment Those are the ones thatThis also fits all small base Rochester end carbs, including J 2 Old's, 348s, and early Caddy's. Excellent quality. Manufactured here is the USA. Although this is an exact copy of the original, installation in a used throttle body does not guarantee a perfect result. I include a small quantity of DAG213 which will be required to seal these perfectly. It looks like black paint and is applied to the edges of the throttle blades after installation.