This is the RB26DETT found in the 1989-1993 R32 Skyline GT-R. The distinction visually can be told by the black cam covers found on this series of the RB26DETT. 

PN: 10102-05U50 ( 1010205U50 )

As a direct dealer of both Nissan and Nismo parts, we offer a wide range of Skyline R32 / R33 / R34 GT-R parts. We also are able to retrieve a full list of OEM parts for the R35 GT-R. 

Please understand that some of the available parts for these cars require shipping from Japan which may require additional time for sending the parts to you.