🏁 Performance-Oriented Design
The PHR Aluminum Race Radiator for 2nd Gen GS300/400 is a premium cooling upgrade designed for Lexus GS300 and GS400 models (1998–2005, chassis codes S160/S161). Engineered for both Naturally Aspirated (NA) and Turbo applications, this radiator is ideal for enthusiasts seeking enhanced cooling performance in street or track environments
The PHR Aluminum Race Radiator is engineered to handle the increased thermal demands of high-performance driving. Whether you're navigating daily commutes or pushing your GS300/GS400 on the track, this radiator ensures optimal engine temperatures, enhancing reliability and performance.
Key Features & Technical Specifications
Construction
Material: All-aluminum construction with TIG-welded end tanks
Radiator Cap: Includes a 1.1 Bar (16 psi) radiator cap
Weld Quality: Precision TIG welds ensure durability and leak prevention
Core Thickness: 2 1/8 inches
Enhanced Cooling Capacity: Larger core increases coolant volume and surface area, improving heat dissipation under high-load conditions
Rows: 2
Direct Fit Installation
Vehicle Fitment: 1998–2005 Lexus GS300/GS400 (S160/S161 chassis)
Compatibility: Designed to work with factory fan shroud; no modifications required or with PHR 16" brushless fan shroud
Note: Due to increased thickness, may require custom intercooler piping for certain setups (e.g., FFIM conversion or GTE swap)
Transmission Compatibility
Standard Model: Designed for manual transmission vehicles without cooler
Optional Internal Transmission Cooler: Now available for automatic transmission applications with internal cooler built in.
Inlet & Outlet Configuration Options
OEM Hose Style: Utilizes standard rubber hoses for straightforward installation
-20AN Fittings: Optional upgrade for high-performance applications requiring AN-style coolant lines
Finish Options
Customize your radiator to match your engine bay aesthetics:
- Raw Aluminum (standard)
- Gloss Black Powder Coat (+$60)
- Matte Black Powder Coat (+$60)
- Wrinkle Black Powder Coat (+$60)
- Polished Finish (+$100)
Specifications
| Vehicle Fitment | |
|---|---|
| Make | Lexus |
| Model | GS300 (Aristo) |
| Chassis Code | S160, S161 |
| Generation | 2nd Gen |
| Trim | Turbo, Naturally Aspirated (NA) |
| Product Specs | |
|---|---|
| Material | Aluminum |
| Variants | |
|---|---|
| Finish | Raw or Gloss black powder coat or Matte black powder coat or Wrinkle black powder coat or Polished |
| Radiator inlet/outlet | OEM hose inlet and outlet or -20AN inlet and outlet |
| Transmission Cooler | No Transmission Cooler or Internal Transmission Cooler |
| Radiator Configuration | Non-Turbo or Turbo |
