Red Line 75W90 MT-90 GL-4 Gear Oil (1 Quart) wheels common symptoms include difficulty shifting

common symptoms include difficulty shifting gears

MCS 4W Damper (special order) Much smaller operating window

Fits all 996 GT3

rough shifting

Red Line 75W90 MT-90 GL-4 Gear Oil (1 Quart) wheels common symptoms include difficulty shiftingThis 75W90 GL 4 gear oil (similar to 5W40 10W40 engine oil viscosity) is popular in Nissan, Mazda, Mitsubishi, Volkswagen Audi, Lotus, and Toyota applications. This fluid offers quicker shifts along with a perfect synchronizer coefficient of friction. It is also safe for brass synchros as it lacks the reactive sulfurs that are found in most GL 5 oils. This gear oil also offers high performance gear protection and along with longer synchro life. Notchy