This is a Custom set of "Smith Brothers Pushrods" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These pushrods are available in any length and 5/16" in diameter, with a .080" wall thickness, with a ball end. Please specify the length you need in the order check out comment box. Allow 2 weeks for shipping on all special order lengths.