The most expensive part in this assembly is the Head Assembly,cylinder.
This part-list fiche shows all the components that make up the Gsxr750 1997 (v) (e02 E04 E18 E22 E24 E25 E34 E39) / P37 Cylinder Head (model T/v) .
Of all the components that make up this Cylinder Head (model T/v) the Bolt(6x39) has the lowest price.