Set of (6) Pistons compatible with (2004.5-2008) 5.9 Liter 6BT 24 Valve Dodge Cummins I6 Turbo Diesel Engines VIN code: "C" (8th character of VIN#). This listing is for a complete set of 6 Pistons with Clips & Wrist Pins. Mahle Pistons 1. Ni-resist top grooves to control groove wear. 2. Balanced Set of 6 for smooth engine operation.