Adapter seems to be of good quality. However, it did not fit my Motorcraft 2150 carburetor properly. I have a 2100 and it would have worked on this model, but I needed to fit a 2150 in my Jeep. I end up sending this back. If you're installing a 2150 on a Jeep 258, get an adapter from an eBay seller (the Jeep guys know who I'm talking about). It's a little more expensive, but it's top quality and seals well.