This is a brand new replacement bypass valve for m90 blowers. We carry two version of this bypass valve; first being the GM M90 style with the solenoid bracket, the other being no solenoid provision and is applicable to Ford M90 superchargers and other applications. They bypass valves function the same, just make sure to choose the option that fits your application. 

We now have a billet version of the M90 bypass valve, found here. 

GM M90 fits: 

• 97-08 Pontiac Grand Prix
• 96-03 Pontiac Bonneville SSEi
• 96-04 Buick Park Avenue Ultra
• 97-04 Buick Regal GS
• 04-05 Chevrolet Impala & Monte Carlo SS
• 95-99 Buick Riviera 

Ford M90 fits:

• 2003 Ford Mustang Cobra
  
• 1999-2004 Ford F150 Lightning
  
• 2003-04 Ford Mustang Cobra
  
• 2007-12 Ford Shelby GT500
  
• 2013- 2014 Shelby GT500 factory 2300 TVS supercharger
  
• Roush R2300 2.3L TVS superchargers
  
• Roush VMP Magnuson Superchargers
  
• 2003 Nissan Frontier
  
• Supercharged Holden Commodore