Stiegemeier Porting Services

06/19/2026

The Eaton M112 superchargers found on the SVT Cobra and SVT Lightning are legendary—but after years of service, they deserve the attention of experienced hands.

At Stiegemeier, we specialize in Supercharger Rebuilds to restore performance, reliability, and efficiency. Every unit is carefully inspected, rebuilt, and assembled to help get your vehicle back to performing at its best.

✅ Factory Spec Restoration
✅ Upgraded Reliability
✅ Precision Assembly
✅ Fast Turnaround

Whether you're maintaining a low-mile survivor or keeping your weekend warrior running strong, we're here to help.

📞 636-949-2275
🌐 Stiegemeier.com

Repair. Rebuild. Restore.

06/17/2026

This M112 is on its way to Ohio!

06/03/2026

🚨 GOING LIVE THIS FRIDAY AT 2PM CT! 🚨

Join Dyno Bob as he goes live to talk all things 2003–2004 SVT Cobra!

Have questions about superchargers, porting, performance upgrades, rebuilds, or getting the most from your Terminator? This is your chance to ask and get answers live.

📅 Friday
⏰ 2:00 PM Central
📍 Live on the Stiegemeier Instagram Page

Drop your questions in the comments below or bring them to the live session!

05/28/2026

6600 shipped out the other day!

05/20/2026

Built for performance and trusted by enthusiasts on the street, strip, and water.
From supercharger rebuilds to precision porting, Stiegemeier Porting delivers results that perform.

✅ Automotive Supercharger Rebuilds
✅ Marine Supercharger Rebuilds
✅ Performance Porting
✅ Even-Flo Injector Service

📍 Stiegemeier.com
📞 636-949-2275
📧 [email protected]

05/15/2026

🚤 MERCURY VERADO SUPERCHARGER REBUILD SERVICE 🚤

Don’t replace it , REBUILD it.

At Stiegemeier Porting, we specialize in rebuilding Mercury Verado superchargers to help marine shops and boat owners save thousands compared to replacement costs.

✅ Fast 5–7 business day turnaround
✅ OEM-quality reliability
✅ Experienced supercharger specialists
✅ Nationwide ship-in service
✅ Trusted performance experience

If your engine is showing signs of:
🔧 Loss of boost
🔧 Bearing noise
🔧 Reduced power
🔧 Performance issues under load

We can help.

We proudly support marinas, marine service departments, and performance boat owners across the country.

📞 636-949-2275
🌐 Stiegemeier.com

05/12/2026

Tired of belt slip killing your boost?

Introducing the Constrictor Grip Pulley — a precision machined pulley engineered to maximize belt traction, reduce slip, and help maintain consistent boost under load.

Whether you’re pushing higher boost levels on the street or at the track, the Constrictor Grip is designed to keep power where it belongs — on the ground.

✅ Machined for superior belt grip
✅ Helps reduce belt slip at high RPM
✅ Supports more consistent boost pressure
✅ Built for performance and reliability

More grip. More boost. More confidence.

04/29/2026

Cool your Whipple 100 degrees!

04/28/2026

John Deere S650 combine air handler rebuild.

04/21/2026