Manley Turbo Tuff Mitsu 156mm Long Rod 6.142 4G63T 6 bolt w 7 bolt Pistons Fitment: 89-92/Mitsubishi/Eclipse DSM GSX Talon/4G63T 6-Bolt::These rods have a 22mm pin diameter so they have to be used with 7-Bolt pistons. They are also a LONG rod, must be used with stroker pistons, contact us for help