B16, B18, B20
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By hatchin06
#71473 How big of a difference would i be able to tell from a stock ls head vs a ls head that has a 3 angle valve job? Is it worth getting it done?
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By KRYSTED9354
#71616 It might be a little bit better on the low end but if your going stock no boost or high comp then i dont see a point in it, INLESS u can get an Awesome deal then why not, but not a big difference.