If you're looking for a high quality reamer to keep your Audi, Volvo or BMW running smoothly, you've come to the right place. This glow plug reamer is the most effective ways to combat excess carbon build-up. Over time, carbon can accumulate in the chamber and cause all sorts of problems, like smoking at startup and engine shaking. By reaming your glow plug chambers every 30,000 miles or so, you can help prevent these issues and keep your engine running like a top.

• High quality steel reamer Made in USA
• The tool is made w/ a new Bosch glow plug and threads perfectly to the engine
• 12mm Hex Head 
• M12x1.25 Thread
• Lifetime Warranty
• Bosch Glow Plug # 0-250-201-039, 0250201039