Guess Performance Parts
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Race Winning and Proven Parts and Services for Midget and Sprint Car Racing We offer a full line of services for the open wheel racers needs.
In 1997 Bob Guess decided to get back into the world of midget racing with his two sons Bobby and Bill. In the 17 years since we have built and maintained race winning and championship winning race cars. Guess Performance Parts was founded by Bill Guess in 2014 as a way to help racers get quality parts to keep their racecars running up front! From general maintenance, complete car construction, ma
03/13/2026
We had a pretty cool piece of midget racing history in the shop last week! The drill jig on the left was borrowed from BEAST to make a motorplate for a Beast/Gaerte midget. This drill jig has been used by Bob East to make quite a few motorplates over the years when it seemed like almost everyone was running a Beast chassis/ Gaerte motor combination!
Thank you for trusting us to use this piece of midget racing history!
02/24/2026
Are you looking for a way to drop 2-4.5 lbs off your midget at a low price?
We have 2 Spike/Ripper/Boss Magnesium Motorplates that can be drilled for an ecotec or a honda available at a discounted price.
These plates were originally for a Ford/Fontana and there is some extra holes in each plate.
1/2" left and 6 1/2" crank center height in the car.
$200 each plus shipping
10/31/2025
It's been a while since we have posted. We have been busy making parts and rebuilding rearends. Gotta flashback to last Friday at Lucas Oil Indianapolis Raceway Park with Mario Clouser Racing in our throwback wrap! Unfortunately a lifter failed and ended our weekend before we got to show how good of a car we really had!
Special thanks to our sponsors!
BEAST
Speedway Engine Development
High Performance Lubricants
Indy Performance Composites
Envirofab
Response Management Services
Kart-A-Bag
Jason Keefer
Wilwood Disc Brakes
Schoenfeld Headers
Rod End Supply
High Side Design
Saldana Racing Products
Panther Frameworx, Inc.
Indy Race Parts
BMRS LLC
3G Performance
08/28/2025
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02/26/2025
We have been pretty busy to start the year knocking out motorplates for customers!
09/06/2024
Been busy making motorplates lately!
08/02/2024
Congratulations to our customers on picking up Feature Wins so far this year! Jimmy Anderson currently leads the way with 4 wins with the Midwest Mayhem Midgets, Billy Hulbert has 2 wins and David Ward has 1 win on the season. Chase McDermand Racing picked up the victory last weekend with the Xtreme Outlaw Series and Rj Corson picked up a victory with the MARA Midget Series a couple weeks ago!
05/24/2024
It has been far too long, but this old girl gets to stretch her legs tonight at Lucas Oil Indianapolis Raceway Park! BEAST
📸 Rick Haley
05/17/2024
Congratulations to our customer Corson Racing and their driver Rj Corson on picking up the BMARA Racing Midget win at Sycamore Speedway last Saturday Night!
04/16/2024
Have to thank High Performance Lubricants for always getting us the best Lubricants on the market to be able to compete at a high level! Best in the business! always use High Performance Lubricants!
03/21/2024
Two more motorplates done and ready to ship!
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24429 S Egret Drive
Channahon, IL
60410