MCP Q4568 Front Brake Kit with 6" Brake Disc for 5/8"Shaft

US Wheel Pattern, Sprint Karts, For 5/8" Spindle Shaft

Adjustable Front Track Width, Sprint, 6" Disc, US Pattern Hubs (Less Master Cylinder)

For 3/16" Nylon Brake Lines

Steel Caliper Mounts Must be Welded to Spindle Arm