Auto Machine Specialties

Auto Machine Specialties is Fresno’s trusted engine rebuilding and precision machining shop, serving automotive, diesel, and industrial customers across the Central Valley. We rebuild heads, blocks, cranks, and rods for all engines — foreign and domestic.

🏁 Specializing in performance builds, CNC head porting, engine balancing, piston coating, and custom dyno tuning with both engine and chassis dynos.

⚙️ We also handle hydraulic ram repairs, CNC lathe/mill work, and industrial machining with top-tier accuracy and craftsmanship.

Auto Machine Specialties is an auto machine shop in Fresno, California. It is listed at 420 Broadway St, Fresno, CA 93721, which places it among the local businesses of Fresno that residents and visitors turn to when they need this kind of service close by. Besides its main category, the business also describes itself as diesel engine repair service, engine rebuilding service, hydraulic repair service, so it may cover more than the name suggests.

In Fresno, shops are busiest on Monday mornings and before holiday weekends, so a mid-week appointment gets a car seen faster. Labor rates across California vary by neighborhood and by shop type, from small independents to dealership service bays, and mobile mechanics now cover many routine jobs in the driveway. Before authorizing a repair, ask for the estimate in writing, whether the shop warranties parts and labor (12 months / 12,000 miles is common, some offer more), and whether it can provide a loaner or a shuttle. Check the listing for hours, the makes the shop works on and its Google rating, then call ahead, since walk-in capacity is limited at smaller shops.

Hours are published for 5 days a week. Typical hours are 8 am–5 pm. Note that it does not open on Saturday, Sunday. Hours in the United States do change around federal holidays and long weekends, so a quick call before a special trip is sensible. The listed phone number is (559) 268-9235. Many businesses also reply to text messages on the same number if it is a cell phone. Its website is automachinespecialties.com, where you may find menus, price lists or booking options.

Its Google rating is 4.1 out of 5 from 49 reviews, a solid but mixed picture; reading the most recent reviews will tell you what to expect.

Fresno is in California, on the West Coast, where the climate ranges from foggy coast to hot inland valleys, wildfire season can affect air quality in late summer, and traffic is the main thing to plan around. Getting around Fresno is easiest by car; street parking is metered in busy downtown areas, and most suburban businesses have their own lot. Ride-share apps such as Uber and Lyft operate across California's larger cities, and public transit varies from extensive to minimal.

See the other auto machine shops in Fresno listed below to compare ratings, hours and locations before you decide. Details on this page come from public sources and may change; confirm anything important by phone before relying on it. Business owners can claim the listing to keep it up to date.