14526-ZX2-405ZA Base *NH8* - Overview. The 14526-ZX2-405ZA Base *NH8* is a critical component designed to support Honda marine engine systems. This timing belt tensioner base, identified by the dark gray NH8 color code, plays an essential role in maintaining reliable mechanical tension within the timing belt system. By ensuring precise fitment and maintaining expected tension, it promotes smooth operation and longevity of the engine. Crafted to integrate seamlessly with Honda marine components,