Feature: 1. OE Number: The referencing OE number of this engine piston ring set are C10218, 2M4860, 41785, E 921K, which is molded and designed depend on the original data. 2. Fitment: The engine cylinder ring set is a replacement for Gen III 364 6.0L V8 LQ4 LQ9 1999?2006, please check the model and year of manufacturing before ordering. 3. Excellent Durability: The piston ring set, made from metal alloys, ensures excellent abrasion resistance, could withstand high temperatures, speeds, and pressures. 4. Efficient Sealing: The piston ring set has excellent sealing performance, effectively preventing gas and lubricant leaks, provides a powerful sealing effect to prevent engine wear. 5. Ideal Replacement: Direct replacement installation, meets or exceeds OEM standards for the replacement of old and damaged one on original vehicles. Specification: Item Type: Engine Piston Ring Set OE Number: C10218, 2M4860, 41785, E 921K Material: Metal alloy Fitment: Fits for Gen III 364 6.0L V8 LQ4 LQ9 19992006 Fits for 2500 19992004 Fits for 1500 20012007 Fits for 2500 HD 20012007 Fits for 3500 HD 20012007 Fits for 1500 (2007 Classic) 20012006 Fits for 2500 19992004 Fits for 2500 HD (2007 Classic) 20012006 Fits for 3500 HD (2007 Classic) 20012006 Fits for Express 20032007. Package List: 1 x Engine Piston Ring Set (40 Pcs) Note: Please double check the part number of your item, matching information is for reference only.OE Number: The referencing OE number of this engine piston ring set are C10218, 2M4860, 41785, E 921K, which is molded and designed depend on the original data. Fitment: The engine cylinder ring set is a replacement for Gen III 364 6.0L V8 LQ4 LQ9 1999?2006, please check the model and year of manufacturing before ordering. Excellent Durability: The piston ring set, made from metal alloys, ensures excellent abrasion resistance, could withstand high temperatures, speeds, and pressures. Efficient Sealing: The piston ring set has excellent sealing performance, effectively preventing gas and lubricant leaks, provides a powerful sealing effect to prevent engine wear. Ideal Replacement: Direct replacement installation, meets or exceeds OEM standards for the replacement of old and damaged one on original vehicles.