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2007 Impreza 2.5i
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Discussion Starter · #1 ·
2007 2.5i turbo, i have the rocker arm setup. im building a shortblock to push 20psi on my opendeck motor for a DD. can i just put TWE valvesprings on my heads and call it a day or will it stretch the valves. also if it does what companys make valves for our SOHc motors
 

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if you're going to buy valves you might as well get a valve job done for +1mm and spend the small amount of money more on that for the huge performance increase.

otherwise you've got all that money just on bloody valves...
 
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