MJM Engines in Escondido, CA runs a full in-house machine shop — no outsourcing, no shortcuts. Certified technicians, warranty-backed work.
Escondido, CA · Mon–Fri 8am–5pm
What We Do
Complete teardown, precision inspection, in-house machining, and reassembly to OEM specs — kind-for-kind replacement parts, no upgrades. Carry-out engine work also welcome.
Learn MoreCylinder boring & honing, crankshaft grinding, surface decking, and valve seat cutting — all performed in our fully equipped in-house machine shop. No waiting on outside vendors.
Learn MoreWhy Choose Us
Our machine shop means faster turnaround and tighter quality control — every step happens under our roof.
Every rebuild leaves with a written warranty covering parts and labor. We stand behind our work.
Our team holds ASE certifications and brings decades of hands-on engine experience to every job.
How It Works
We assess your engine and document every issue.
Complete disassembly and precision measurement.
In-house machining, new parts, expert assembly.
Final inspection, test, and written warranty issued.
Call us today — we'll talk through your engine and get you a straight answer.
(760) 745-4104