This is a 3-Core Radiator for a Nissan Hakosuka with an L-Series Engine.
The Genuine Upper Tank shape has been retained but there are three cores for better cooling.
Core thickness: 50mm
Upper/Lower Hose Exit: 35mm
Radiator Thickness: ~76mm
Core Support to Core Distance: 13mm
Shroud installation pitch: 257mm x 510mm
Core support installation pitch: 210mm x 530mm
For 1969-1972 Nissan Skyline (K)GC10