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Cleans cylinder threads and gasket seat in one operation.
Essential for regular preventative maintenance and troubleshooting.
High quality, durable construction - Manufactured in USA.
Use on engine cylinders that use 14mm, long reach (greater than 5/8"), non-tapered (flat) seat spark plugs.
BG’s Spark Plug Hole Conditioning Tool is used on engines to clean the cylinder threads and gasket seat in one operation. PART NUMBER: 21045-14L, THREAD SIZE: M14 X 1.25 SAE (METRIC), EFFECTIVE REACH: LONG, GREATER THAN 5/8"(.625) SEAT TYPE: NON-TAPERED (FLAT). Do not use with tapered seats. This product is available in several thread sizes and reaches.