ACE Racing Engines Workshop
ACE Racing Engines Logo
LS Drag Racing & Street Engines
3000hp LS
427ci twin turbo LS
3000hp LS
3000hp LS
ACE Racing Engines LS Billet Valve Covers

Custom built LSX Drag Racing & Street Engines from 600hp to 3000hp+ for normally aspirated or forced induction applications.

427ci twin turbo LS
Engine surface finish profilometer
Engine surface finish profilometer
Line Hone
Engine surface finish profilometer
Engine surface finish profilometer

Perfecting surface finish, minimizes break-in time, makes more horsepower and provides excellent longevity for your engine.

Engine surface finish profilometer
The engine room
Measuring Center

A clean workspace, high-end measuring equipment and the correct tools are absolutely essential for any race engine builder.

ACE Racing Engines LS engine builder FuelTech twin turbo ls FT600 EFI

We use FuelTech on all of our customer and personal builds.
We are proud to be a dealer for their state of the art, complete engine and vehicle management system.

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ACE Racing Engines is owned by Stefan Rossi, a High Performance Street and Drag Race Engine builder specializing in turbocharged engines. Ideal for extreme street cars, drag week cars and race cars. Every engine is CNC machined, custom built to each individual customers’ requirements and FULLY blueprinted! Whether it’s a 1000hp streetcar engine or an all-out twin turbo 3000hp+ drag racing engine you’re looking for; the same pride and attention to detail goes into every engine we build.

You can find us in Engine Builder Magazine!


Keep up to date with our 3000hp ’66 Chevy Nova as we prepare for Hot Rod Drag week 2021

We like to get to know our customers, and we want the very best build to go into your vehicle and for your application requirements. We are proud to offer our clients only the best products on the market, which we have personally tried and tested in our own street and race cars. For this reason, every engine we build is custom to meet our clients’ specifications and not available ‘off the shelf’.

Overseas? No problem. We ship Worldwide. Use our Contact form or give us a call!