Dan's Diesel Performance, INC

Dan's Diesel Performance, INC We specialize in diesel pickup truck product manufacturing, maintenance, repair and performance. We are located in northern, IL between Rockford and Chicago.

A prime location and easily accessible. Our shop is also only a few minutes from the Wisconsin border. We are here to provide you with the best possible service, building, support and sales. We are open Monday through Saturday, and on Sundays by appointment only.

07/17/2026

Cat yellow transfer case ASMR

We offer units on our website!

Dansdieselperformance.com

07/16/2026

Even though the air is hazy in the Midwest, we can still tell your LB7 injectors are bad.

07/08/2026

VGT dominators are our most popular drop ins by far!

They offer big power while maintaining factory features and drivability!

Dansdieselperformance.com

We will be closed 7/2-7/5 in observance of Independence Day!We wish everyone a safe and happy holiday! We will have limi...
07/02/2026

We will be closed 7/2-7/5 in observance of Independence Day!

We wish everyone a safe and happy holiday!

We will have limited access to our emails and messages but this will be the best way to contact us for urgent assistance.

06/30/2026

Completely overhauling the LLY this week. The frame was starting to need a little help as it’s taken some abuse on the track. The L5P rear axle should be a significant improvement as well! Cheers to a good pulling season!

Dansdieselperformance.com

9 Blade Drop-ins from LB7 - L5P Duramax diesel! Make the most out of your Duramax with a drop in turbocharger. 10 blade ...
06/26/2026

9 Blade Drop-ins from LB7 - L5P Duramax diesel!

Make the most out of your Duramax with a drop in turbocharger. 10 blade options available as well!

Dansdieselperformance.com

06/23/2026

Destroyed rear gear and pinion has us questioning what the ultimate cause of failure was. After some deep diving we see the carrier is part of the problem.

Dansdieselperformance.com

06/21/2026

Bo Schultz with Bo Schultz was given the opportunity to ride along with Heather as she took her truck “Hank” down the track at the Horsepower and Hangover event for the Win in the Workstock Diesel class.

Address

1279 Anvil Drive
Machesney Park, IL
61115

Opening Hours

Monday 8am - 5pm
Tuesday 9am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Website

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