Close ratio gear set Opel Corsa F13/F15 w/o Final Drive

Close Ratio for Opel/Vauxhall Corsa F13 and F15 gearboxes

1st, 2nd, 3rd, 4th gears

Material: Billet and forged Ni CrMo steel.

Hardness: HRC 56~60

Main surface treatment processes used: Sandblasting, shot peening and WPC.

Main heat treatments used: Carburizing and Cryogenic.