Chain Case Bearing & Seal Kit for Polaris Snowmobiles (1996-2007) Mongoose Rocket FS Invacare calls this their S4WSB

Invacare calls this their S4WSB Multiple Actuator Interface Box

this arm tube is compatible with a multiplicity of Invacare armrest pad models

Keep moving forward with a new 26" Long Horn Cruiser Handlebar from Sunlite Cycling

The 2-part mounting block is included

Silver Sport 2

Chain Case Bearing & Seal Kit for Polaris Snowmobiles (1996-2007) Mongoose Rocket FS Invacare calls this their S4WSBChain case bearing & seal kit for Polaris snowmobiles, 1996 2007 models. Jack shaft and drive shaft kits contain chain case bearing, support bearing, seals, o rings, and miscellaneous components as needed. Please check the Compatibility tab for a full listing of known compatible models.