Diamond Power Timing Chain kit works with Mazda 3 6 2.3L L4 DOHC 16V 2360CC 2003-2007 Same day shipping when purchased before 3pm EST Fits: 2003-2007 Mazda 3 6 2.3L L4 DOHC 16V 2360CC Our products are tested and meet or exceed OEM performance requirements Available Timing Chain Kits and Timing Belt Kits 2 Year Warranty (This product must be installed by a certified professional mechanic) 2004-2006 Mazda 3 2.3L L4 DOHC 16V 2360CC (No turbo) 2003-2007 Mazda 6 2.3L L4 DOHC 16V 2360CC (No turbo) 1 Timing Chain (camshaft timing chain) 1 Balance Shaft Chain (single row roller chain) 1 Guide Rail (long tensioner rail) 1 Guide Rail (long fixed rail) 1 Tensioner Rail (ajustable guide rail) 1 Gide Rail bal. Shaft (short left lower rail) 1 Gide Rail bal. Shaft (short right lower rail) 1 Tensioner (ratchet style)