M12x1.25 Spark plug Short Kit No inserts P/n 4212

For first time repairs. Kit Contains: M12x1.25 the short tooling no inserts. Order inserts Separate. 9mm , 15mm , 17.5mm, 22mm , 24mm lengths. Use 17.5mm reach insert for 3/4 reach spark plugs.  Spark plug Instructions Other M12x1.25 length spark plug inserts  NOTE: If the vehicle is for a Ford 3 valve M12x1.25 see kit 4212H here.