You will purchase a complete kart seat fitting kit to include:

2 x M8 x 50mm Countersunk Bolts 

2 x M8 x 40mm Countersunk Bolts 

4 x M8 Nylock Nuts

4 x M8 x 35mm Countersunk washers - RED

2 x 52mm x 2mm Seat Washers Black Plastic

2 x 40mm x 2mm Seat Washers Black Plastic

Other colours available, Gold, Silver, Blue & Black please see listing by following the Kart Parts UK shop link above

Please follow the link to the Kart Parts UK shop for more karting items