Precision Machining

FOR PERFORMANCE ENGINES

OUR SERVICES LET’S TALK

SPR: Your Local Engine Expert

We’ve been building and repairing engines in WI since 2002, with quick turnaround for our customers

Full-Service Automotive Machine Shop

In-house Dyno testing, flow bench testing, balancing, and many more pro engine services

interested in learning more?

For estimates, service timelines, ordering information or other questions just contact us! (262) 268-0040

Speed Performance Research

SPR Engines is a recognized leader in the Midwest when it comes to building stock, high-performance, and racing engines. As a proud member of The AERA Engine Builders Association, SPR continues to deliver only the very best to our customers, year-after-year.

ENGINE SERVICES

A Recognized Leader

IN ENGINE SERVICES

Have some questions? Unsure where to start? Call Jeff at (262) 262-0040

Machining excellence since 2002

From cylinder head repair to custom racing engines, we have the services, equipment and the expertise to exceed all of your performance expectations, whatever the need. Questions?
We’re here to help: (262) 268-0040

Foreign and domestic

Don’t have the engine you’ve always dreamed about? SPR rebuilds engines for many exotic and specialty cars, both foreign and domestic.

CIRCLE TRACK

SPR Engines takes great pride in providing the performance and reliability you demand. From Dyno break-in to test and tune, we’ll help you get the speed you need.

ANTIQUES AND CLASSICS

Looking to turn some heads? At SPR we’ll be able to turn your classic car or truck into the high-performance speed machine you’ve been wanting.

Light & Medium Duty DIESEL

At SPR Engines, we’re able to repair and enhance the increasingly complex diesel engines found in light and medium-duty industrial vehicles.