CP Pistons set for Ford XR6 I6 4.0L includes six pistons sized to a 3.634 in. bore and a 9.0:1 compression ratio, provided as a complete six-cylinder set for engine rebuilds. These pistons are specified for the XR6 inline-six application and intended to restore correct combustion geometry and compression characteristics during a full engine refresh or performance-focused reassembly.
CP Piston Ford XR6 I6 4.0L - Bore 3.634in - CR 9.0:1- Set of 6