Keep your engine running at peak performance with this standard replacement spark plug, designed to fit perfectly with our engine kits. Built for durability and consistent ignition, it’s an easy swap that ensures your motor stays reliable and ready to go. Marked Z8C: Z - 14mm x 1.25 (diameter x threads) X 11mm or 7/16" (reach), 8 - colder (heat rating), C - copper core (type of electrode).
NGK equivalent - B6HS, B7HS, BP6HS, BP7HS, BPR6HS, BPR7HS, BPR6HIX, BPR7HIX, Champion equivalent - L82YC, RL82YC, L86C
Aftermarket spark plugs may need additional tuning or gap adjustment for the engine to run safely and properly, and is the responsibility of the owner.