FACTORY EFFEX TC4 Cover - Bump - KX 250/450F 12-28126 Fi2000R O² Model Fuel Processor and a set of 5

and a set of 5 heavy-duty springs

the mufflers are a simple bolt on 3

steel drive plates and springs

wrapped in woven fiberglass that is protected by a fiberglass wrap

FACTORY EFFEX TC4 Cover - Bump - KX 250/450F 12-28126 Fi2000R O² Model Fuel Processor and a set of 5The first specifically designed seat cover kit for today's 4 strokes Feature Dura Grip material that has integrated embossed top seat ribs that keep you positioned on the seat Color matched rear panel, raised OEM logos and interlock stitching for long lasting wear Bump version features soft cell seat foam technology for even more grip and control Easy installation; no cutting, sanding or filing required