Tenaci backplate flywheel balanced with starter gear.

Fits BMW M50, M52, M54 & S54

3 options of backplates:

184mm with 3 stepdown, same bolt pattern as Tilton 7,25"

200mm with 3 stepdown, same bolt pattern as Sachs 200mm

240mm with 1,5mm stepdown, same bolt pattern as Sachs 765