Restore your 5.3L Gen V engine's performance with this Genuine GM Intake and Exhaust Valve Set, featuring part numbers 12619825 (intake) and 12678745 (exhaust). Specifically designed for 2014 and newer L83, L84, L82, and L8B engines, this set includes 8 intake valves with a 1.929" head diameter and 5.212" length, and 8 exhaust valves with a 1.556" head diameter and 5.210" length. Manufactured to OEM specifications, these valves ensure optimal airflow and combustion efficiency, making them ideal for both stock replacements and performance rebuilds. Compatible with various 5.3L models, including select pickups and SUVs, this valve set offers a reliable solution to maintain your engine's power and efficiency.