M Factory - 4.57 Final Drive - Mazda - MX-5 Miata Roadster NA/NB ML21S Reference Number: 1016M-N011

Reference Number: 1016M-N011

Offset: 38/45

Reference Number: 102-H001B

our innovative design allows the end-user to customize their shifters’ stiffness by changing the new internal wave spring

M Factory - 4.57 Final Drive - Mazda - MX-5 Miata Roadster NA/NB ML21S Reference Number: 1016M-N011Specifications: Manufacturer: M Factory Ratio: 4. 57 Final drive gears are cut from high quality fully carburized forged nickel chromoly steel while also benefitting from a proprietary heat treatment process. As a result we are proud to offer enthusiasts the best final drive gears on the market today. By changing you final drive gear ratios, you can experience a dramatic increase in acceleration, giving you on average a 10 15% increase in torque