Description
- Cleans cylinder threads and gasket seat in one operation.
- Use on engine cylinders that use 7/8"-18, long reach (greater than 5/8"), non-tapered (flat) seat spark plugs.
- Essential for regular preventative maintenance and troubleshooting.
- High quality, durable construction - Manufactured in USA.
Spark Plug Hole Conditioning Tool - 7/8"-18 SAE, Long Reach, Non-Tapered Seat (21045-875L)