SKU: SKU: Powerflex-PFR19-1831B
Diagram Reference #31
Ford MK3 RS Rear Diff Rear Front Mounting Bushing Insert (Race)
These are polyurethane inserts that fit into and fills the voids in OE bushing number: G1FY-4B425-BA
These inserts help to stabilise the diff under acceleration.
How to choose your bushings durometer