Ive seen Supra guys rave about the VQ35 heads compared to the monster 2jz. Excellent flowing heads from the factory. Id mod other areas waaaay before touching the heads. I believe the 1k hp Z from SP's[?] is still using the stock heads if memory serves. Gears and full bolt-ons with tune would be the ticket imho for now. No need to P&P unless you are trying to build the fastest, fully built and blown VQ37 in the world.
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