TTC Performance is the only company building 1grfe cylinder heads in the market today!
Product Description

That's right, TTC Performance Products has come to the table once again. Our built 1grfe cylinder heads feature:
...Clean cores
...Choice of cam profiles
...Profession port and polish
...Pressure test once complete
...New seals
...TTC Performance upgraded valve springs
SO ask yourself. Does your Tacoma, X-Runner, or FJ Cruiser need more power? Want to maximize your mods? You're looking at the right heads. Nothing can improve your performance like a set of TTC Performance built cylinder heads.