Extreme Power, Extreme Scream

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     We specialize in:  GT500,  '03-'04 Cobra,  SVT Lightning,
           Plus JaguarCobalt/IonMini-Cooper,  and more
Custom Cylinder Heads
   
 

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icon Supercharger Porting
icon SC Front Drives
icon Supercharger Maintenance
icon Supercharger Rebuild/Repair
icon Supercharger Core Program
icon Cylinder Head Porting/Repair
icon Manifold Porting
icon Custom Carburetor Work
icon Throttle Body & Plenum
icon Fuel Injector Service
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Stiegemeier Porting Services, LLC
2140 S. Old Hwy 94
St. Charles, MO 63303
(636) 949-2275



** IMPORTANT WARRANTY INFORMATION

Supercharger Porting & Front Drive Rebuilds:
WARRANTY. One (1) Year on parts and labor. Excludes parts and materials not supplied by Stiegemeier Porting Services, LLC and/or labor performed by a third party. Warranty void if Front-Drive or Supercharger is further modified after leaving our facilities. Installation is the sole responsibility of the owner. Improper installation or modification voids warranty.

  Cylinder Head Porting and Repairs
 
Cylinder head design, porting, and repair has been a main focus for the Stiegemeier team since 1979.
 

We can perform any and all machining services to your 2-, 3-, or 4-valve cylinder heads. In addition, we also do flow-testing and will provide camshaft recommendations for your specific performance needs.

 

Cobra Heads

Stage 1 -- Complete valve job, guide liners, mill. 20HP. $1295.00
Stage 2 -- Above plus Blueprint and port match porting. 40HP. $1895.00
Stage 3 -- Above plus Max Port. 60HP. $2895.00
Add Stiegemeier cams to any stage -- $895.00

   
   
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