FACTORY EFFEX Seat Foam - Height - Tall | Hardness - Stock - WR 250/450 13-20222 Carbon Fiber Clutch Kit The constant velocity cores are

The constant velocity cores are designed specifically for the Milwaukee Eight engine platform

Designed to perform under extreme heat conditions

Works seamlessly with Cobra® detachable back rests Same proprietary release mechanism as the back rests Installed or removed in a matter of seconds Can be used with or without back rests but requires stock or Cobra® hardware kit

The muffler section uses a PowrFlo 4

FACTORY EFFEX Seat Foam - Height - Tall | Hardness - Stock - WR 250/450 13-20222 Carbon Fiber Clutch Kit The constant velocity cores areFoam hardness stiffness has been tested and manufactured to the specifications of our factory riders Exact fit, high quality replacement seat foam