Have you been bitten?

Our exclusive Snake Bite package features a stage 7 port, venom cooler, & custom 2.4 pulley. Only available with Stiegemeier Porting Services!


Upsized Injectors

Size DOES matter. No custom tune needed! Upsize your injectors for an amazing value. Call us today!


New Stage 8 Port

Stage 8 is finally here exclusively for Ford Cobras. Gain 65+ hp for an incredible value!

Stiegemeier Porting Services has been in business for over 35 years with thousands of satisfied customers. Bob’s done performance work everywhere from Nascar to individual’s street cars. Whatever you’re looking for Stiegemier Porting can help you get there. We guarantee you will be satisfied with our expert workmanship and quality. Our rebuilding services will make your showpiece stand above the rest.
In 2003 Bob was approached to attempt porting a supercharger, which before then was not done. He experimented and eventually came out with what is now known as a Stage 1. 12 years later, Stiegemeier Porting is still going strong and has graduated to the Stage 7 and 8 with can gain you 65+ hp.
At Stiegemeier Porting we know that rebuilding is an art. We use the highest quality products to refresh your supercharger. We’ll make your supercharger run like it did straight out of the factory.

Why Choose Us

  • Over 35 years in the rebuilding and performance business.
  • Guaranteed quality workmanship from our knowledgeable team.
  • Fast turn around time.
  • Packages available for all budgets.
  • Our friendly technicians are always available for instruction and advice.
Great work & friendly people!! Bob is the man. Definitely recommend his services to all!
Timmy T.
I’ve purchased a venom cooler from Bob and it worked perfectly!
Dorain J.
Sent out my m62 supercharger off my Honda Civic for porting. Came back looking brand new! Couldn’t believe how it looks. The port job looks fantastic as well. Turn around was relatively quick. Very easy to work with. I’ll recommend them and be back if I need anything else.
Joe L.
90k on my Roushcharger M90. Needed to be rebuilt – very fast turnaround, great customer service, professional attitude! Definitely recommend.
Bill B.
Albert S.
They did an awesome job porting my Roush blower. Definitely going back to them and always referring them to people who need supercharger work.
Keith H.
Great people. Best customer service. Bob took the time to explain setup for my Marauder eaton swap. Thanks again
Brian D.
I’ve known Bob for years. Does phenomenal work! Highly recommend!
Jim R.
Great to deal with! Great Work!
Thom C.