Red Line 75W140NS GL-5 Gear Oil - Single Quart Vehicle Make_Mazda with the Quick Lock adapter

with the Quick Lock adapter easily snapping onto the helmet

The extra large 3-1/2" gauge face of the Longacre Magnum tire gauge is designed for easy reading

the RSL-1 also provides excellent rotor life and modulation

Ovalized 28x27mm rim thickness offers further anatomic benefits to the driver

Red Line 75W140NS GL-5 Gear Oil - Single Quart Vehicle Make_Mazda with the Quick Lock adapterSimilar to 75W140, Red Line 75W140 NS GL 5 Gear Oil contains extreme pressure additives, but lacks friction modifiers to balance slipperiness. Popular for historic and vintage transmissions, like Mid 1930s to early 1950s synchro equipped gearboxes in cars and trucks, It is also used as an option for noisy transmissions when mixed with 75W90NS or MT 90 (to bring viscosity level up) and can also used in clutch type limited slip differentials in racing