Koyo Radiator - 89-92 Mazda RX-7 1.3L Late FC Chassis Turbo & Non Turbo - HH060643 Air/Fuel Ratio Sensor 6250623 is a 6-pad spring-centered

6250623 is a 6-pad spring-centered race discs made with high quality ceramic friction materials

The Hybrid Racing fuel pressure regulator features a piston-type design that introduces damping into the regulator to reduce pressure fluctuations and needle bounce

TC4-XTSS kit features an Xtreme pressure plate for the most demanding driver

600315 is a Streetlite flywheel

We chose to narrow that field and focus on what we consider to be the best recipe for power gains

Koyo Radiator - 89-92 Mazda RX-7 1.3L Late FC Chassis Turbo & Non Turbo - HH060643 Air/Fuel Ratio Sensor 6250623 is a 6-pad spring-centered48mm Core Thickness Built with a robust 48mm core, it is engineered for the serious performance tuner. Increased capacity means better cooling reserve when you need it. Intended for both circuit and daily use, you may double your coolant capacity and see up to 35% increased performance over your stock radiator. Unless noted otherwise, all Koyorad All Aluminum Radiators are Nocolok brazed, designed as a factory fit, direct bolt in with no engine