Product Description
ACDelco Limited Slip Rear Axle Additive for 1984-1987 Buick Grand National, Turbo Regal, and 1987 GNX.
This additive is a friction modifier which reduces excess clutch plate friction during the application and release of clutch plates thereby helping to extend the life of the limited slip rearend.
One bottle is used during replacement of the rear axle lubricant.
