BIG-SERT Spark Plug kit M14x1.25 p/n 5141E-51469

Contains: all the tools and 5 fully threaded taper seat 24mm length inserts p/n 51469  Note: Be sure the valves are closed and the piston all the way down before starting the repair. Failed hole or failed insert should not be larger than .660 inches or 16.8mm