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
shane herring
BEST MACHINE SHOP IN THE TREASURE VALLEY! maybe even anywhere. I've been to other machine shops...
Read Full ReviewBrett Clancy
Been using these guys for 6 years and never disappointed. Their work is always spot on and done...
Read Full ReviewNathaniel H
10/10 -- Perfect Absolutely recommend this shop for machine work. State of the art tooling, great...
Read Full ReviewAndrew Tuning
Excellent work and craftsmanship. I highly recommend them. They did a great job on the cylinder...
Read Full ReviewHenry Stokes
I had an excellent experience getting some cylinder head work done at Northwest motor machine. They...
Read Full ReviewRobert Toliver
These guys do a great job every time A++ Quality highly recommended ..
Read Full ReviewAnthony Haus
They rebuilt my stock iron cylinder heads and cleaned up my Edelbrock Streetmaster 390 intake...
Read Full ReviewJaime Martin
Best service....took my Pontiac parts in on Monday done on Tuesday. Thank you....
Read Full ReviewTindall Knives
I called, and explained the problem with my engine build and inquiring about machining. They took...
Read Full ReviewBrian Eilers
We've been sending all of our machine work out of state for the last 9 years UNTIL I was told about...
Read Full ReviewLGFishing
Spark plug #8 broke off inside my head. I removed head and to took the head to Northwest Machine...
Read Full ReviewPete Vincent
Had excellent experience with north Western, knowledgeable, professional and job was done ahead of...
Read Full ReviewCody Bednorz
Awesome service, the guys are always very helpful and know their engines! Would highly recommend...
Read Full ReviewRecent Projects
Turbo Build
Big power upgrade for a street machine.
Custom Headers
Hand-built stainless steel fabrication.
Camaro Tune
Track-ready ECU calibration.
Supercharger Kit
Instant horsepower, done right.
