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.
Dyno Tuning
Unleash the true potential of your machine. We fine-tune every parameter to maximize performance and drivability.
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
Pete Vincent
Had excellent experience with north Western, knowledgeable, professional and job was done ahead of...
Read Full ReviewBrett Clancy
Been using these guys for 6 years and never disappointed. Their work is always spot on and done...
Read Full ReviewMatt
I have used this shop for two different jobs. They were on time (quick even) and did excellent...
Read Full ReviewAndrew Tuning
Excellent work and craftsmanship. I highly recommend them. They did a great job on the cylinder...
Read Full ReviewNathaniel H
10/10 -- Perfect Absolutely recommend this shop for machine work. State of the art tooling, great...
Read Full ReviewBrandon F
This place is great. It's hard to find a good machine shop with a good atmosphere and solid people...
Read Full ReviewLGFishing
Spark plug #8 broke off inside my head. I removed head and to took the head to Northwest Machine...
Read Full ReviewMark Boisvert
Great place! We have been taking our work there for years and they have always done us right
Read Full Reviewblizanthimum
I had a very good experience with this shop. Their turn around time was very fast and the pricing...
Read Full Reviewmike hehir
Ron and Justin are on their A game. Used these guys for years. So pleased I ship stuff from K Falls...
Read Full Reviewshane herring
BEST MACHINE SHOP IN THE TREASURE VALLEY! maybe even anywhere. I've been to other machine shops...
Read Full ReviewChris Brower
Best machine shop in the valley. The staff is very knowledgeable and always have your best...
Read Full ReviewTindall Knives
I called, and explained the problem with my engine build and inquiring about machining. They took...
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.
