gasket

do USDM 2jz parts differ from jdm 2jz parts? i have a jdm 2jzgte engine from an aristo, if i needed a gasket or seal for example would i be able to get a parts from the dealer if i said it was for a 93-97 gs300 or supra??

I recently pulled my engine out and I am installing an HKS MHG. I took my head and block to a machine shop and both are straight and true. The only problem I have is the rear lower timing cover on the block is higher by .002 inches. Its flat for about an inch from the exhaust side but then all...