1. 

   71RIV/GS Well-Known Member

   I AM INSTALLING A POSTON 113 CAM WITH HI-REV LIFTERS AND STAGE ONE SPRINGS will the stock 2-piece valves hold up to the increase in spring pressure and higher lift?? o No:

    

   71RIV/GS, Apr 8, 2005

   #1
2. 

   67gs Well-Known Member

   Absolutely!
   
   Pete

    

   67gs, Apr 8, 2005

   #2

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