SPC Performance Flex Joint xAxis BUILDER SERIES 14mm ID X 40mm OD X 50mm WidthDesigned to replace many OE style bushings, SPC's xAxis Sealed Flex Joint is recommended for use as a bushing replacement when higher performance or increased joint angularity is desired perfect for race and off road builders. xAxis sealed flex jointsoffer: Reduced compliance and deflection vs rubber and poly joints Improved durability vs spherical bearings and poly joints Increased angularity vs rubber and poly bushings Dimensions for this xAxis are;