Areas We Serve: Engine Machine Shop in Riverside & the Inland Empire
Based in Riverside, Diego's Machine Shop serves car owners and repair shops across the Inland Empire. Whether you're around the corner or a short drive away, we're worth the trip for precision engine machining you can trust — engine rebuilding, cylinder head resurfacing, hot tank cleaning, and piston service. Every job starts with a free estimate.
Centered in Riverside, Reaching the Inland Empire
We're on Placentia Ln in Riverside — an easy drive from Jurupa Valley, Rubidoux, Moreno Valley, Corona, and San Bernardino. Drop in for a free estimate, or send your engine, head, or block over to the shop.
Get Directions →Cities We Serve
Riverside, CA
Our home base. Located on Placentia Ln, we're the local machine shop Riverside drivers and shops rely on for real engine work — not jobs that get sent across town.
Jurupa Valley, CA
Right next door to our shop. Jurupa Valley customers are just minutes away from full engine machining and honest auto repair.
Rubidoux, CA
A quick trip from Rubidoux brings you to a full machine shop — engine rebuilds, head resurfacing, and more, all done in-house.
Moreno Valley, CA
We serve Moreno Valley drivers and shops that need precision machine work close to home, without sending engines out of the area.
Corona, CA
Corona customers count on us for quality engine rebuilding and machining — well worth the short drive for work done right.
San Bernardino, CA
We welcome San Bernardino-area customers and shops looking for a dependable machining partner for engines, heads, and cranks.
We Serve Both Drivers and Repair Shops
Across every one of these areas, we work with two kinds of customers: car owners and enthusiasts who want their engine done right, and repair shops that need a reliable wholesale machining partner. Cars, diesel, and motorcycles — bring it in or send it over.
Worth the Drive
A real automotive machine shop isn't on every corner. When your engine needs boring, honing, crankshaft grinding, or head resurfacing, it's worth coming to a shop that does it in-house, to spec, with over 20 years of experience behind it. We make the trip worthwhile.
Get a Free Estimate Today
Ready to get your engine back in shape? Call us, send a message, or stop by the shop in Riverside. Every job starts with a free, honest estimate.
Sat 8:00 AM – 2:00 PM · Sun Closed