JB's just rebuilt two Crusader 7.4L xli heads for me. The experience was excellent. It is a…read morepleasure to work with a well-run business; that rarely happens in marine repairs! I highly recommend them.

Can't say enough great things about this establishment. I had such terrible luck with machine shops…read morein the past. I brought a small project to them highly skeptical and prepared to be disappointed. They went above and beyond that first time, and each consecutive time after that. Fantastic customer service, prompt turn-around, and top notch skill to remind us that competent and professional businesses still exist. I'd give them ten stars if I could!

Nice guy but has every excuse in the book to stall. Took my engine parts for a rebuild and two…read moreyears later after frozen pipes, sick aunts, in the hospital, daughters house issues, moving to Va. probably best not to deal with the aggravation

Been using Dave Martin for years. His prices are fair and…read morehis customer service is excellent. He has built numerous drag racing engines for me. I have referred quite a few customers his way

Best machine shop in DC area. Needed a custom aluminum piece for an automotive engine and this…read moremachine shop was the solution. Nice friendly staff and reasonable prices!

They knew just what I needed and my parts were ready when they were supposed to be. Good price…read moretoo! This was as good as it can be.

These guys have helped me repeatedly when a bolt broke off in an impossible location. They are the…read morebest.

I have used them for a very unusual request... I had a broken bolt in my bicycle that would not…read morebudge, and I had them remove it. Great expertise, did not charge me an arm and a leg. No I am working on a 30 year old Mercedes Benz, and I will take my parts to them and have them check for warp-age and trueness, and then will have them hot-tank everything. Taking to the head honcho there when they fixed my bike made me convinced they are a real machine shop in the old sense of the word.

It is great being able to get information before arriving to the service specially when they do…read morewalk-ins too.

This place just opened and I'm so glad I stopped by! I loved how they called out everything they…read morewere doing to my car--it made me feel informed and confident. The manager was very knowledgeable about my car's needs and explained everything clearly. I was a little skeptical at first, but this team truly knows what they're doing and listens to their customers. Top-tier service all the way! I'll definitely be recommending them.