Single or duel vavle springs
supertech is a lot cheaper and will work perfect
u want springs and retainers
http://www.amsperformance.com/store/...roducts_id=594
u want springs and retainers
http://www.amsperformance.com/store/...roducts_id=594
https://www.evolutionm.net/forums/sh...t=valves+seals
Question!!...Now Im looking into getting 272 cams. I have a stock turbo for now and Im looking into the new FP green. But before that I want to get the head done. So im looking into springs/retainers, and valves. Would it be worth it to get these dual springs and retainers? And get the seats and seals sense they are need. Then have the car tuned to rev to 9k? I know its not that good for the rod bolts but if I were to get APR rod bolts would I be good then, or is that just to much for the engine?? And when doing this is there anything else I should look into doing. Like 5 angle valve job?Port and Polish?
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