This is a set of "CUSTOM 6.350 GN1PERFORMANCE H BEAM CONNECTING RODS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. these are custom built to fit your Grand National They are bushed full floater rods which are made out of 4340 billet, 6.350 in length, .940 bush pin, 2.249 Crank pin, and are for narrow width journal cranks.
