Here are some useful links for performance engineering:

bergerchevrolet.com
    Chevy dealer and performance car sales


corsaperformance.com
    Corsa Performance Exhaust


countrysidecustoms.com
    Countryside Customs Collision Repair and Restorations*


"Jacobs Racing"
    Tim Jacobs 847-989-4379 Custom Motor Performance*
  
 lingenfelter.com    High performance cars and parts
  
 nickeychicagoinc.com    Nickey Chicago - The Original Super Car Headquarters*
  
 schwartzperformance.com    Schwartz Performance
  
 slponline.com    SLP Performance
  
 tomhenryracing.com    Performance cars, parts and accessories
  

*ICC Sponsor