River City Motor Works

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River City Motor Works River City Motor Works is a locally-owned-and-operated machine shop in Dubuque, IA. Contact River City Motor Works today!

Founded in 2019, we specialize in automotive machining, boring, honing, crankshaft grinding, engine assembly, engine parts, and more. Serving Dubuque County, Jo Davies County, and Grant County, our skilled team is committed to delivering high-quality services for all your automotive needs. Services:
Automotive Machining
Pick-Up Available
Boring
Honing
Crankshaft Grinding
Agricultural Engine Machine
Cylinder Head Rebuilding
Surfacing
Crack Inspection
Pressure Testing

Specialties:
Locally-Owned-and-Operated

Products:
Engine Kits
Engine Oil
All Engine Parts
All Engine Accessories
Trucks
Semi
Automotive

Brands:
Dart Manufacturing
Motor State Distributing
DNJ Engine Components
Engine Pro
Fel-Pro Gaskets
Federal-Mogul
Melling
Elgin Industries
PerformanceParts
Go-Fast-Parts

Association:
American Engine Builders Association (AERA)

🔧 Precision Engine Work You Can Trust — River City Motor WorksLooking for expert engine machining or complete engine ass...
02/13/2026

🔧 Precision Engine Work You Can Trust — River City Motor Works
Looking for expert engine machining or complete engine assembly? At River City Motor Works in Dubuque, IA, our locally owned machine shop has specialized in boring, honing, crankshaft grinding, engine assembly, and precision parts sourcing since 2019. We proudly serve Dubuque County, Jo Daviess County, and Grant County with top‑tier workmanship and reliable service. [River City...ubuque, IA]
Whether you're restoring an engine, upgrading performance, or need expert machining, our skilled team delivers the accuracy and attention to detail your project deserves. From block work to cylinder head rebuilding and metal finishing, we’re committed to providing the highest quality results every time. [River City...ubuque, IA]
📍 3191 Cedar Cross Ct, Dubuque, IA
📞 (563) 207‑1206
🌐 https://rivercitymotorworks.com
Quality machining. Honest service. Built with pride in Dubuque.

🎄 Thank You from River City Motor Works! 🎄As a family-owned business, we truly appreciate your trust and support through...
12/22/2025

🎄 Thank You from River City Motor Works! 🎄
As a family-owned business, we truly appreciate your trust and support throughout the year. Wishing you and your loved ones a joyful holiday season and a prosperous 2026! We look forward to serving you in the new year. 🚗✨

Address

3191 Cedar Cross Court
Dubuque, IA
52003

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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