Borowski Race Engines, Inc., Joliet, IL

Custom CNC Engine Builders for Street, Race & Marine. Est. 1968.

We are engine builders with with a primary focus on high-end LS engines. Our shop has state-of-the-art CNC machinery CNC machinery and engine testing equipment. Our leadership position in our field was validated by winning the Race Engine Builder of the Year award at PRI 2018 and being chosen as LS engine builder for David Ankin’s TV show Toymakerz. David Ankin’s TV show Toymakerz.

Our engines range from street to strip, and from naturally aspirated to boosted. The range of power adders we use includes twin screw and centrifugal superchargers, turbos and nitrous oxide. This provides an incredible range of power and performance options. Nearly all our engines are fuel injected using Holley EFI systems with tuning on our dyno by our Holley trained and certified technicians.

We focus on working directly with a limited number of top-quality parts vendors, and maintaining inventory of the key parts we use. Our typical short block will feature a Dart block, Callies crank and rods, Diamond pistons. The engines will likely have a COMP cam and Manley valves. If its big power, the heads are probably All Pro’s. This business model of limited vendors, inventory and common architecture allows us to sell high-end parts, engines and assemblies on short lead times. Other engine builders or parts suppliers may be waiting months for the back-ordered products that we have on the shelf.

Our vendors have been carefully vetted, often with on-site visits to their manufacturing facilities such as shown in these videos shot at All Pro Cylinder Heads, Callies and Bullseye . We have a strong preference for Made in the USA. These manufacturers need to demonstrate that their products, technology and service are going to help us put out the best possible engines as measured by performance, value, durability and reliability. Our key suppliers provide us with ongoing technical support and often show us their newest technology prior to market introduction. If there is a problem, they’ll take our call and help us work through it. When you buy a Borowski-built engine, you’re getting a product that has a lot behind it.

In the ads below, you will see everything from bare blocks and supercharger assemblies to representative complete and fully dressed builds that can be ordered and shipped to you. If you don’t see what you are looking for, please give us a call at 815-725-2727 or send an email to [email protected]

Click here for a Virtual Tour of our shop.

Current list of items for sale

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THE NEWEST & BEST SUPERCHARGER ON THE MARKET!
We've been waiting for Whipple to release their new 3.0L twin screw supercharger. Great news, they're here! We are…
Posted Today, 12:50 AM

$7,000
Joliet, IL

UPGRADED SFI DAMPER, BILLET CRANK PULLEY
Holley's Premium Mid-Mount complete accessory system has all accessories…
Posted Today, 12:50 AM

$2,797
Joliet, IL

BARE (per head) or ASSEMBLED TO SUIT
At Borowski Race Engines, these RHS LS3 heads with our CNC port work go on most of our GM 6.0L block builds. We like…
Posted Today, 12:50 AM

$442.65
JOLIET, IL

SEASONED GM BLOCK & CALLIES 8-CWT CRANK
This short block is intended for light boost to achieve up to 1,100 crank horsepower. In our opinion, a seasoned block…
Posted Today, 12:50 AM

$5,669
JOLIET, IL
PREMIER

LIMITED TIME SALE!! - NO CORE CHARGE
PRICE SHOWN IS PER HEAD BARE. These seasoned GM LS3 heads have finally been given a chance to breathe after a full…
Posted Today, 12:50 AM

$600
JOLIET, IL
PREMIER

BOLT-ON POWER FOR YOUR LS1 EQUIPPED VEHICLE
At Borowski Race Engines, we took our 2001 Camaro Z28 with 119K miles and documented a multi-step, bolt-on upgrade to…
Posted Today, 12:50 AM

$3,825
JOLIET, IL
PREMIER

Complete as Shown - Plug & Play
Borowski Race Engines, Inc. has lead the way for big power builds Dart LS…
Posted Today, 12:50 AM

$37,900
JOLIET, IL
PREMIER

BULLSEYE NLX TURBO & HOLLEY TERMINATOR X MAX
This is a lot of power for the money! We kept costs down using seasoned GM…
Posted Today, 12:50 AM

$25,861
Joliet, IL
PREMIER

SUPER TIGHT, BRACKETLESS, PATENT PENDING
Holley’s Mid-Mount complete accessory system has all accessories pulled…
Posted Today, 12:50 AM

$2,027
JOLIET, IL
PREMIER

CALLIES CCW MAGNUM CRANK, ULTRA I-BEAM RODS
This is the LS3/LS7 short block set we use for most of our builds north of…
Posted Today, 12:50 AM

$10,747
JOLIET, IL


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Borowski Race Engines, Inc.

BUSINESS INFORMATION
815-725-2727
Borowski Race Engines, Inc.
1545 Mound Rd
Joliet, IL 60436
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Mon - Fri: 8:00 am - 6:00 pm
Sat: 9:30 am - 1:00 pm

The Benefits of a Borowski-Built Engine

1.Custom Made to Your Exact Specifications: With our guidance, you pick the sound, look, power and accessories. We make it happen.

2.Technical Knowledge: We make cutting edge engines for a broad range of motorsports. In season, our staff is at the track and on the water to help keep you ahead of the pack.

3.Machining Capabilities: Our CNC engine machining equipment and shop professionals are second to none. That shows in our build quality, reliability and performance.

4.Quality: Our levels of care and precision go far beyond OEM or standard aftermarket. Machining and assembly of your project is performed only by highly skilled technicians.

5.Predictability: On-time and on-budget

6.Build Time: Thanks to our CNC processes, we can complete machining quickly. We have strong relationships with our key suppliers which helps avoid delay waiting for parts.

7.Transparency: Your entire build is photographed and documented. Progress pictures are uploaded and viewable on our Flickr. You are welcome to visit in person any time and will be invited to attend the video-taped dyno session.

8.Honesty and Integrity as evidenced by our A+ rating and accreditation by Better Business Bureau.

9. Our Warranty

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https://www.flickr.com/photos/borowskirace/sets/

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