Spark Plug Thread Chasers

Spark Plug Thread Chasers for Clean Installs

JB Tools offers spark plug thread chasers that restore and clean damaged threads in cylinder heads, ensuring proper spark plug seating and torque. These tools are essential for preventing cross-threading and misfires, especially during plug replacement or engine rebuilds. Built for use with common plug sizes, thread chasers are a must-have for any technician or DIYer working on engines in cars, motorcycles, lawn equipment, or generators.