About Gibson Performance Engines

Located in Rockford, Washington, just outside Spokane, Gibson Performance Engines is the premier automotive machine shop in Eastern Washington, proudly serving customers throughout the Pacific Northwest—including Montana, Idaho, Oregon, Washington, Canada, and beyond. Our reputation for precision, power, and performance has made us a trusted name among car enthusiasts, racers, hot rodders, and professional builders alike.

Your Full-Service Engine Performance Partner

Whether you're looking for a specific machine operation, need help sourcing parts, or want a complete turn-key engine build that’s dyno-tested and ready to run, we’ve got you covered. We provide expert knowledge, unmatched craftsmanship, and personalized service to every customer—whether you're building a street machine, race engine, or restoring a classic.

Our Capabilities Include:

  • Cylinder boring and honing

  • Block and head milling, resurfacing

  • Flywheel grinding

  • Rotating assembly balancing & engine blueprinting

  • Cylinder head and connecting rod reconditioning

  • Piston pin & rod pin honing

  • Crankshaft polishing and inspection

  • Cylinder head flow bench testing and porting

  • Distributor testing and custom curving

  • Complete engine assembly

  • Dyno testing and tuning

  • Performance & OE engine parts sales (internal and external components)

With over 100 years of combined engine-building experience under one roof, we don’t just build engines—we build confidence. From short blocks and long blocks to custom builds engineered to your exact specs, we’re committed to delivering engines that run harder, longer, and more reliably than the rest.

Visit Us

33 W Emma St
Rockford, WA 99030
United States

We invite you to stop by, give us a call, or reach out online. Whether you need parts, machining, or a full-blown engine build, Gibson Performance Engines is ready to power your passion.