NGK Plug Cap / AES Plug Cord Set: Plug Cap (NGK): Compatible with screw-type designs. With terminal nut-types, please remove them before then continuing with installation. Plug Cord (AES): Plug Cord Length: Approx. 19.7 inches (50 cm), Cord Thickness: 0.3 inches (7 mm) (equal to the original product); There are cases where the cord cannot be removed from the ignition coil.In such cases, a cable joint is required.Compatible Models: CB750F (RC04) / F2 / CB750K (RC01).