Beidouxing/Alto/Lynx Iridium Spark Plug IW16 Dedicated Replacement

Iridium IW16 spark plugs use iridium electrodes, with higher melting point and hardness than standard nickel alloy plugs; more resistant to ignition shocks; durability significantly improved; typical life 60,000–80,000 km. OEM number 5305 IW16; fits post-2000 Beetle, BaoShan, Antelope models; thread size M14x1.25; seating length 26.5 mm; resistance 6 kΩ; standard electrode and bore. Function: provide more stable ignition energy and improve low-speed combustion, reducing carbon buildup.