Thread Repair Kit for Glow Plugs - M8 x 1.0Taps and coil inserts for repairing M8 glow plug threads.5 x 12mm Deep Insertswith black phosphate finish.Essential kit that solves common problemson diesel engine alloy cylinder heads.Rectifies cross-threading and over tightening.This kit ensures a straight thread andthe new insert provides an efficient fit.

• Insert material is Carbon Steel.

Brand: Neilsen | Product code: CT0837