engine shop

Industrial servics including diesel and gas engines.

Industrial

  • At Riverside Performance Engines, we specialize in providing complete gas and diesel engine services for a wide range of industrial applications. With over 50 years of engine-building expertise and more than 300,000 engines built, we understand the demands of industries that rely on performance, precision, and durability.

    We offer a full suite of in-house machining and rebuild services, including:

    • Full gas and diesel engine tear-downs and rebuilds

    • Cylinder head and engine block machining

    • Rod and crankshaft balancing using CNC precision equipment

    • Custom engine builds tailored to your exact specifications

    Whether you’re powering agricultural equipment, industrial generators, natural gas systems, or fleet vehicles, Riverside delivers dependable, high-performance engines built to get you back to work—fast.

    We proudly serve:

    • Diesel & Natural Gas Industries

    • Commercial Fleets & Transportation

    • Agriculture & Heavy Equipment

    • Industrial & Manufacturing Sectors

    All work is performed in-house, including clean-room assembly for zero contamination and precision machining that ensures long-term engine reliability.

LS V8 MOTOR ON ENGINE STAND BEING ASSEMBLED IN THE CLEAN ROOM. LITTLE ROCK PERFORMANCE SHOP

PERFORMANCE

  • We love building engines that work hard and run harder—whether it’s a high-performance street machine or a heavy-duty diesel workhorse. From rotating assemblies and cylinder heads to complete custom builds, everything we do is held to the highest standards of power, precision, and reliability.

    Our shop is equipped with cutting-edge technology and clean-room assembly, allowing us to handle everything in-house—from CNC machining to final assembly. That means faster turnarounds, tighter tolerances, and engines built to outperform and outlast.

    Gas or diesel, performance or industrial—if you’re ready to boost your horsepower or get your fleet back on the road, Riverside is the team to call.

v8 motor rebuilding with performance pistons. precision machine shop little rock

AUTOMOTIVE

  • We offer full-service engine machining and rebuilding for both gas and diesel engines, specializing in custom work built to spec. Whether you’re restoring a classic, upgrading performance, or getting heavy equipment back in the field, our precision processes and expert team deliver results you can count on.

    Here’s what you can expect when you work with Riverside:

    • Every engine is hand-built with an obsession for quality and reliability.

    • Complete rotating assemblies are precision balanced for smooth, efficient performance and long engine life.

    • Engine blocks are CNC machined in-house for unmatched accuracy and repeatability.

    • Cylinder heads receive precision valve seat and guide machining to maximize flow and longevity.

    • A computerized Rottler honing machine with diamond stones ensures tolerances within .0002”.

    • A Mitutoyo profilometer is used to measure surface finishes on cylinder bores and deck surfaces with industry-leading precision.

    • From blueprinting to balancing, every step is done by a team that knows engines inside and out.

    Whether it’s high performance or hard-working diesel, Riverside builds it right—start to finish.

Fully assembled engine ready to be installed.

Riverside Performance Engines is a family-owned business located in Little Rock. We're proud to serve our region and beyond with the highest quality service, skill, and machinery. We're masters at tearing down, cleaning up, and rebuilding engines. We can also build new, from bare blocks, exactly to customer specifications. Working on engines is our specialty, and our team is driven to deliver quality products with an outstanding failure rate of less than one percent. It's our mission, and it would be an honor to serve you.