(636) 949-2275 / (636)-734-5703 (cell)

(636) 949-2275 / (636)-734-5703 (cell)
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See our services below!
Whipple, Eaton, and Mini Cooper, Mercury Verado, Mustang, Hellcat, GT500, Cobra, Terminator
Stiegemeier Supercharger Rebuilds: specializing in Eaton supercharger porting, with a history that dates back to 1941 when Bob's Grandfather started an automotive repair business on this property. Bob's father also worked as a mechanic at a local dealership. Today, 'Dyno Bob' proudly continues the family legacy as the third generation of
Stiegemeier Supercharger Rebuilds: specializing in Eaton supercharger porting, with a history that dates back to 1941 when Bob's Grandfather started an automotive repair business on this property. Bob's father also worked as a mechanic at a local dealership. Today, 'Dyno Bob' proudly continues the family legacy as the third generation of car enthusiasts in the Stiegemeier Family, focusing on providing top-notch ported Eaton supercharger services.

At Stiegemeier Porting Services, we specialize in rebuilding, restoring, and refreshing superchargers, including the popular Eaton supercharger porting. From disassembly and thorough cleaning to replacing worn bearings and seals, and even porting Eaton superchargers for enhanced performance, we handle it all. Our expertise ensures that yo
At Stiegemeier Porting Services, we specialize in rebuilding, restoring, and refreshing superchargers, including the popular Eaton supercharger porting. From disassembly and thorough cleaning to replacing worn bearings and seals, and even porting Eaton superchargers for enhanced performance, we handle it all. Our expertise ensures that you receive a top-quality ported Eaton supercharger that meets your needs. Our mission is to provide high-quality service at a fair price with a quick turnaround time.

Our team consists of experienced car enthusiasts who are highly knowledgeable about the services we provide, including eaton supercharger porting. If you have questions about ported eaton supercharger options, we have answers. If your supercharger is making some noise or it’s not delivering the boost you’re accustomed to, especially with a stiegemeier supercharger, we can help!




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If you are local to us and would like to drop off your Eaton supercharger for porting, please give us a call to arrange a time for your ported Eaton supercharger or Stiegemeier supercharger.
2140 S. Old Hwy 94, St. Charles, Missouri 63303, United States
Open today | 08:00 am – 04:00 pm |
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