The Bolt(6x25) is the most widely applied product in the LT-Z400 QUAD SPORT 2005 (K5) USA (E03) QUADSPORT QUAD-SPORT RADIATOR ( three times ).
Parts such as the Radiator: Cushion, O-ring, Switch,engine Cooling Fan, Boot,rdtr Fan Motor are included in the Lt-z400 Quad Sport 2005 (k5) Usa (e03) Quadsport Quad-sport Radiator parts fiche.
The Spacer(6.5x10x12) is the lowest priced item on this Radiator schematic.