River City Motor Works, nestled in the heart of Dubuque, IA, is your locally-owned machine shop with expertise in automotive machining. Since opening in 2019, we have established ourselves as specialists in a wide array of services including boring, honing, crankshaft grinding, engine assembly, and engine parts sourcing. Proudly serving the communities of Dubuque County, Jo Daviess County, and Grant County, our dedicated team is committed to providing superior quality and precision for all your automotive needs. Discover the exceptional workmanship at River City Motor Works today!