Best Mechanical Hypoid Gears

Quicksilver by Mercury Marine 802851Q02 SAE 90 High Performance Gear Lube, 8 Oz.

Motul Gear 300 75W90 Synthetic Transmission and Differential Fluid - Liter - 2 Pack

Motul Gear Competition 75W140 1L (Pack of 2)

Motul MTL105778 300 LS 75w90 Gear Oil, 1 l, 1 Pack

Dudley's Handbook of Practical Gear Design and Manufacture

Motul 31721L Gearbox 80W-90 Molybdenum Bisulphide (MoS2) Reinforced Extreme Pressure Gearbox and Differential Lubricant - 1 Liter

Motul MTL105779 75w140 Gear Competition Oil, 1 l, 1 Pack

Advanced Gear Manufacturing and Finishing: Classical and Modern Processes

Triax Gear Premium LS 80W-90, GL-5 Limited Slip Ready, Manual Transmissions, Hypoid Gear Systems, Differentials, NATO Military Approved, Widest OEM Specification Range (1 Gallon)

Dudley's Handbook of Practical Gear Design and Manufacture