Sports Parts Inc Spark Plug Indexing Washer Kit - 3 Cylinder SM-01048

Sports Parts Inc Spark Plug Indexing Washer Kit - 3 Cylinder SM-01048

Indexed spark plugs align the open end of the electrode toward the intake port. The hottest flame meets the new fuel charge for a performance gain, increases fuel mileage and plug life. This is a speed secret car racers have used for years. You simply mark the electrode side of the plug with a magic marker on the porcelain. You then shim the plugs with the washers to align the electrodes toward the intake ports..
Includes 12 washers:Gold washers- .75 mm. Silver washers- 1.00 mm. Purple washers - 1.25mm. Red washers- 1.60mm

Features of Sports Parts Inc Spark Plug Indexing Washer Kit - 3 Cylinder SM-01048

Indexed spark plugs align the open end of the electrode toward the intake port. | The hottest flame meets the new fuel charge for a performance gain, increases fuel mileage and plug life. | This is a speed secret car racers have used for years. | You simply mark the electrode side of the plug with a magic marker on the porcelain. You then shim the plugs with the washers to align the electrodes toward the intake ports. | Includes 12 washers