After testing numerous aftermarket head castings, we have come to the conclusion that the stock OEM Toyota casting is far superior to any other casting. This is the only head casting we use for our cylinder heads, and we have never had any issues with them. The cost may be higher than the aftermarket options, but in the end, you get what you pay for.
OEM Toyota Part #: 11101-79266
NOTE: The 4 port head is found on 2RZ/3RZ Tacoma trucks from 2001 to 2004.
Contact our Tech Support Line for further information at 928-855-6341.
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