CLICK HERE TO VIEW PRO THREAD FLYER

• Repairs damage threads in spark plug ports
• For non-tapered seat ONLY
• Coiled inserts create a permanent and wear-resistant thread in the parent material
• All insert packs include 10 Inserts
• Pro-Thread Inserts (6 Pk) -  M14-1.25
• 2 piece 1/2", 2 piece 3/4", 2 piece 3/8"