Suits the following R200 Diffs:
Nissan Skyline R32 GTR BNR32 RB26DETT
Nissan Skyline R33 GTR BCNR33 RB26DETT
Nissan Skyline R34 GTR BNR34 RB26DETT
Upgrade factory rear differential cover with larger capacity cast aluminum differential cover. Increased cooling and compatible with an optional external oil cooler system.