Spark Plug Indexer 14 mm Flat / Tapered Plugs Plastic Black Each Allstar Performance

Spark Plug Indexing Tool. Indexing positions the ground strap of the spark plug properly for best piston dome clearance and unshrouds the electrode for a more even burn and possible gains of 5-15 horsepower.

Works with flat gasket or taper seat 14 mm spark plugs. Includes instructions.

Details:

• Thread: 14 mm
• Color: Black
• Material: Plastic
• Sold As: Each

Application Notes:

• Flat Gasket Or Taper Seat 14 mm Spark Plugs