16pcs 14mm Spark Plug Rethread Kit Thread Repair M14x1.25 Cylinder Head Helicoil

Tool Thread: M14 x 1.25 Repair Tool Thread. Type: Thread Repair Kit. With 0.4in and 0.7in 2 kinds of repair tool thread length, and with x 1.25 screw tap. Material: Carbon Steel Repair. 1 6 p c s 1 4 m m S p a r k P l u g R e t h r e a d K i t T h r e a d R e p a i r M 1 4 x 1.

eBay