01-13 Yamaha YZ250F Kibblewhite Black Diamond Intake Exhaust Valves & Spring Kit FZ1 ProX Piston Kit – (48mm

ProX Piston Kit – (48mm Stock Bore) 47

and custom springs for exceptional grip and response

and circlips for complete installation readiness

Featuring a

01-13 Yamaha YZ250F Kibblewhite Black Diamond Intake Exhaust Valves & Spring Kit FZ1 ProX Piston Kit – (48mm80 80066, 80 80073, 8080075, 5UL 12180 00 00, 5UL 12180 10 00, 5UL 12170 00 00, 5UL 12170 10 00, 4054 2IN, 4055 2E, 80 80066, 80 80073, 8080075, 80 80077, 80 80715, 80 80090, 80 80080, 71014 5, 1WG 12118 00 00, 1AA 12118 00 00, 3FV 12153 19 00, 3LN 12153 10 00, 5NL 11133 10 00, 5NL 11134 10 00, 4TV 12119 00 00, 4SV 12119 00 0, 4SV 12119 00 00, 4TV 12119 00 00, 5NL 12111 30 00, 5NL 12112 30 00, 5NL 12121 10 00 Unlock the true power of your Yamaha