Koyorad Performance Radiator: Honda NSX NA1 / NA2 1990-2005

Koyo Performance Radiator – Honda NSX NA1 / NA2 (1990–2005)Application: Honda NSX MT | NA1 / NA2 | C30A / C32B | 1990–2005Part Number: KV082303R | V2032The Honda NSX is one of the most iconic Japanese sports cars ever built — a mid-engined, aluminium-bodied masterpiece that redefined what a supercar could be. Whether you're preserving a concours example or pushing your NSX hard on track, the factory radiator can become a limiting factor under sustained high-load conditions. The Koyorad KV082303R is a direct bolt-in performance upgrade engineered specifically for the NA1 and NA2 NSX, delivering improved cooling capacity without any cutting, drilling, or fabrication.Koyorad's all-aluminium construction and high-efficiency core design dissipate heat faster and more effectively than the factory unit, keeping coolant temperatures in check even under sustained high-load driving. Nocolok furnace brazed, precision TIG welded by hand, and triple pressure tested — it retains all OEM fan shroud mounts and stock hose connections with no modifications required.Why Koyorad? Precise Tube & Fin Alignment — Strict quality control ensures optimal coolant flow and maximum heat transfer efficiency across the entire core. Nocolok Furnace Brazing — All tubes, fins, headers, and brackets are bonded in a state-of-the-art Nocolok furnace, creating a structure that resists vibration, road debris, and the elements. Billet Filler Neck — Precision-machined billet filler necks are fitted to every unit for superior strength, durability, and a reliable seal. OE-Specific Mounting — Application-specific mounting points for fan shrouds, inlet/outlet hoses, and top/bottom pins ensure a pain-free, no-modification install. Hand-Crafted Heliarc Welds — Each radiator is individually Heliarc welded by hand, creating the strongest possible aluminium-to-aluminium bond across all components. Specifications Part Number KV082303R Coore SKU V2032 Core Thickness 36mm Core Dimensions (H × W) 340 × 686/706mm Tank Dimensions 43/43 × 705mm Inlet / Outlet Diameter ⌢38mm (top and bottom) Drain Plug 42014 Construction All Aluminium, Nocolok Brazed, Heliarc Welded Transmission Manual (MT) Fitment Direct bolt-in, no modifications required Cross Reference Koyorad KV082303R Honda OEM 19010 PRZ A03 / 19010 PRZ A04 Fitment Table Year Make Model Chassis Submodel 1990–1997 Honda NSX NA1 (2D Coupe) Base – C30A1 3.0L Aspirated Petrol RWD (206kW) 1995–2001 Honda NSX NA1 (2D Coupe) Base – C30A3 3.0L Aspirated Petrol RWD (201kW) 1995–2005 Honda NSX NA1 (2D Coupe) Base – C30A4 3.0L Aspirated Petrol RWD (188kW) 1997–2005 Honda NSX NA2 (2D Coupe) Base – C32B2 3.2L Aspirated Petrol RWD (206kW) Sold individually. Manual transmission fitment only.