Spec Miata Store
Spec Miata Air Intake, KOYO Racing Radiators, Plugs, Wires, Clutch Lines, Oils Sender Line & Fuel Ports
Koyo Radiators provide 20% to 30% more cooling than standard radiators to handle high revving, high performance engines. Koyo Radiators are perfect for Turbo Charged, Super Charged and Nitros Oxide equipped engines. Listed below for purchase.
Daveís Tech Tipís
The KOYO 53mm Radiator is the best I have found. It fits perfectly into the factory mounts and the fans mount properly. Minor clearance of the bottom of the fan shroud may be needed for sway bar clearance.