NGK BPR6EIX Iridium Spark Plug (NGK6637)

NGK BPR6EIX Iridium Performance spark plug for various makes and models.

Iridium IX Spark Plugs offer outstanding acceleration, high fuel efficiency and long life.

• NGK6637
• Thread Size: 14mm
• Reach: 19mm (3/4 inch)
• Hex Size: 20.6mm (13/16 inch)
• Electrode Diameter: 0.6mm
• Gap: 0.8mm (.031 inch)
• Heat Range: 6