Koyorad performance radiators are a direct replacement for the factory radiator, with a higher-capacity aluminium core for better cooling under hard driving. Application: Mazda RX-7 | FB (2D Coupe) | S3 1983-1985 incl. GSL-SE | Manual Transmission (AT requires external transmission cooler).
Features
- 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
- 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
- Hand-Crafted Heliarc Welds - Each radiator is individually Heliarc welded by hand
- Includes M12 × 1.25 provision for low coolant sensor located on top tank centre
- Does not include emissions switch provision on driver's side bottom tank
- Automatic transmission vehicles will require an external transmission cooler
Specifications
- Brand: Koyorad
- Product Type: Performance Radiator
- Intended Use: Performance
- Part Number: HH063146
Vehicle Compatibility
- Fitment: Mazda RX-7 FB S3 1983-1985
Please confirm fitment against your vehicle before ordering. Contact us if you need help selecting the right part.