Stock Z190 & Z212 flywheel lager taper type for engine newer than 2018 taper 
Please note colour will be grey not gold.

Standard small 6mm trigger on outside of flywheel

18mm to 21mm taper Grey colour

Opening 85mm

O/D 102mm

Depth 32mm

5.3mm Trigger

Stock flywheel  with starter clutch hub rollers and springs