Champion KB77WPCC - 146-2588
Thread size: 18mm
Thread reach: 13/16"
Hexa size: 7/8"
Ground electrode: Cu-Ni-Pt, J-type
Centre electrode: Cu-Ni-Ir
Heat range: Middle
Application: EIS ignition systems
Special features: Wire wound suppressor
Application: Caterpillar gas engines
This spark plug was originally developed by Champion for EIS ignition systems and it is now available for customers. KB77WPCC and 146-2588 are identical therefore interchangeable.