Mayhew Spark Plug Thread Chaser, 14mm - 18mm

Features and Benefits:

• Dual-ended design fits most spark plug threads 14mm and 18mm
• Made from low carbon steel with proprietary heat treat for durability without damaging delicate threads
• Fits a 13/16" wrench or deep socket
• Rubber O-ring prevents slipping, ensuring socket retention
• Black nitride finish provides wear resistance
• Made in the USA



Designed to clean, restore, and rethread damaged spark plug holes. Simply place the tool in the affected/damaged area and engage the threads with a 3/16" or deep socket. Made in the USA and backed by a Lifetime Warranty.