Fluidyne High Performance Aluminum Radiator for Nissan 240SX, 95-98, KA24DE Engine. FLUIDYNE has coupled its racing technology with street smarts to develop the optimum. Direct-Fit. all-aluminum radiators for these special breed of vehicles. FLUIDYNE radiators feature CAB-brazed (no epoxy) core construction, polished aluminum tanks and durable high efficiency air fins for maximum cooling capability across the full range of city, highway and road course driving.