MLS head gasket install, requires the machining of your block and head gasket mating surfaces, for a proper gasket seal. This normally means a complete engine disassembly. If an engine rebuild is something you intend to do, then I suggest the MLS head gasket without question.
Numerous people advocate the use of a stock (Toyota) head gasket and ARP bolts, with a torque of 75 Lb. Ft. as a replacement, instead of the MLS install. The head should be checked for warping and I would suggest shaving a few thou off to remove the first gasket imprint.
ARP studs or bolts, regardless of the head gasket used, is highly recommended.
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