Originally posted by Harley:
The stovebolt small cap HEI doesn't say it works with the 250. It says 216, 235, 261.
Harley
Tom does offer a small cap HEI that works with the GM 250. It's not listed on the website. I have one with an external coil. If I remember correctly, the cap actually comes from the Chevrolet 2.8L V6 engine. Give him a call.