Power Steering Conversion Kit (Straight Axle). Top quality power steering conversion kit to suit the following tractors with Straight Front Axle. Kit is not suitable for tractors fitted with MF40 loaders. Not compatible with cabs and loaders unless modified. Tractor axle must be on the narrowest setting for the kit to work. VAT is Included in the price, and a VAT invoice will be issued. For more information Call Acorn Services 01889 358020.