ASSOCIATED 25359 Cylinder & Piston AE 4.60 ASCC5359 Associated cylinder and piston restores performance to worn or overheated 4.60 engines.Cylinder; Piston; Height: 1.2" (32mm) 0.59" (15mm) Inner Diameter: 0.71" (18.1mm) Outer Diameter: 0.84" (21.4mm) 0.70" (18mm) Requires: Heating crankcase to remove cylinder