Our Core Services
Engine Builds
From mild street builds to full-on race engines. We build reliable power that puts you in the winner's circle.
Auto Machining
Precision machining for engine blocks, cylinder heads, and custom parts. From rebuilds to performance upgrades, we deliver accuracy you can trust.
Custom Fabrication
Need something unique? We specialize in custom headers, turbo kits, and chassis work. If you can dream it, we can build it.
Why Choose Us
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A Lifetime of Experience: Our technicians have a combined experience of over 83 years.
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We exceed manufacturer RA specs: We proudly exceed manufacturer RA specs on gasket surfaces and cylinder bores.
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Excellent customer service: We train our employees on how to provide the best customer service in the valley.
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Proven Results: Decades of track-tested and street-proven experience.
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Precision Engineering: We use state-of-the-art equipment for unmatched quality.
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Passionate Experts: We're not just mechanics; we're enthusiasts who live for performance.
What Our Customers Say
These guys resurface so many heads for us, I'm pretty sure they've got a PhD in aluminum. Fast,...
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Had excellent experience with north Western, knowledgeable, professional and job was done ahead of...
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Excellent work and craftsmanship. I highly recommend them. They did a great job on the cylinder...
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Had my 4g63 inspected and they did an AMAZING job. HIGHLY recommend these guys. Justin worked with...
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They do good work, fast, for a reasonable price, and they're friendly and helpful. Literally...
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10/10 -- Perfect Absolutely recommend this shop for machine work. State of the art tooling, great...
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Love these guys, they are straight up with their pricing and do great work. The only thing is they...
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Ron and Justin are on their A game. Used these guys for years. So pleased I ship stuff from K Falls...
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My sons 2003 F150 5.4L blew a head gasket. Sent the heads to Northwest Machine for a pressure test,...
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BEST MACHINE SHOP IN THE TREASURE VALLEY! maybe even anywhere. I've been to other machine shops...
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I called, and explained the problem with my engine build and inquiring about machining. They took...
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Recent Projects
