Thread: rev kit
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Old 02-16-2009, 10:45 PM
  #4  
Tod74
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RACING JUNKIE
 
Join Date: Sep 2007
Posts: 4,137
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You don't need one as long as you have the correct valve springs but it don't hurt...extra insurance to keep the roller on the cam.If you float a roller you can lose the whole engine. I had A lifter fail on a BBC and it cracked the block.
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