The Genuine GM 3903701 Rear Leaf Spring Cushion Washer is a rare vintage part specifically designed for a Corvette vehicle. Made in the United States, this performance part is a unique washer included individually for the rear placement on the vehicle. Ideal for collectors or enthusiasts looking to maintain the authenticity and quality of their Corvette, this washer is a genuine GM product that adds a touch of nostalgia to the suspension system.