J & M Machine Co Inc
Auto RepairHours:
40 Mt Vickery Rd, Southborough MA 01772 Hours
About J & M Machine Co Inc
J & M Machine Co Inc is an automotive machine shop that specializes in servicing older engines, from steam to modern-day engines. The shop offers a wide range of services, including crack repairs, babbitt bearings, line boring, cylinder boring and honing, block and cylinder head resurfacing, valve seat remachining, valve seat installation, crankshaft grinding, and crankshaft and engine balancing. Customers have consistently praised the expertise and professionalism of the machinists at J & M Machine Co Inc. One customer described the team as "extremely knowledgeable" and said they "stand by their work," while another commended the shop's "deep knowledge and expertise" in their engine rebuild work. Customers have also appreciated the shop's transparent communication, with one customer noting that the machinist took the time to discuss their goals and answer all their questions, even during their first motor build project. Overall, J & M Machine Co Inc is highly recommended for its exceptional service, expert knowledge, and commitment to ensuring customer satisfaction. Customers have consistently reported excellent results and a positive experience working with the shop.
Most Recent Reviews
January 2025
Bext experience I have ever had with a machine shop. They have amazing skills.quality one and done work.
February 2026
John is great to work with, brought in a head for my 12v VR6 and john had no problems doing a compression test and letting me know what was wrong before talking about getting work done to it. John let me bring in my own parts for the repair and was great with communication and fair with the pricing for what had been done
January 2026
They do great and honest work, and helped me the entire way through my engine rebuild. Very happy with my experience.
More Comments(67)
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