This is a light weight aftermarket replacement flywheel for the ST215W caldina GT-T (5.2KG) A lighter flywheel will mean quicker increases in engine speed as it has less mass to rotate.
Note: Image above is a sample image only, not representative of the actual item. Special order item.

Turbo oil feed kit TD05/TD06 EVO 4-9 oil filter housing type - Kinugawa
Clutch kit Toyota ST215w Caldina Heavy Duty 5 Puk 