Red line MT90 is a synthetic 75W90 oil designed for use in synchromesh gearboxes. It provides excellent protection to gears and improves the life of synchro rings. It has a perfect coefficient of friction to allow easier and faster gear changes even when cold. Eliminates notchy gear changes even from cold Can be used where 75w90, 80w90 and 90w gear oils are required Reduces gear whine and rattle at high temperatures Non corrosive, safe for use in transmissions with brash synchrosSpecifications: API GL-4Recommendations: API GL-4 / GL-3 / GL-1, SAE 80W90, SAE 90, SAE 40W, SAE 10W40,  SAE 15W40, Alfa Romeo, Audi G 052 911, BMW 81 22 9 407 305, Castrol BOT 130M, Castrol BOT 328, Castrol SAF AG4, Castrol SHC 630, Castrol TAF-X 75w-90, Castrol Syntrans Transaxle 75W-90, Ford F32Z-19C547-MA, Ford M2C175-A, Ford M2C200-B, Ford WSS-M2C203-A1, Ford XT-4-QGL, GM 12345371, GM 12345724, GM 12345871, GM 12346074, GM 89021806, GM 89021807, GM-Daewoo EDS-M-8049, Holden, Hyundai/Kia 08950-00010-A, Hyun