
The R Synchro SAE70W-80 GL4 synthetic racing gear oil is specifically designed for highly-stressed, manual synchromesh gearboxes designed to run ATF fluids, engine gearbox oils and in some cases SAE75W-90 oils. Proven to increase protection and reduce friction. Enables quick and easy gear changes. Proven in Caterham, Mini (modern), TVR gearboxes and most other front-wheel-driven cars.