Spark plug NGK B7HS 20.8mm 14.0mm

NGK is one of the world's leading manufacturers of spark plugs. As an original equipment manufacturer for renowned vehicle manufacturers, NGK is there right from the start when the spark ignites.
Different spark plug heat values are required for different engine types and any tuning stages. A standard NGK B7HS spark plug is supplied.
Width across flats: 20.8mm
Thread diameter: 14.0mm
Thread length: 12.7mm
Electrode gap: 0.7mm
Resistance: not suppressed
OEM numbers for comparison purposes:
Beru: 14-4 A2 / 14-4 AU / 14-5 A / 14-5 AU / 14 Z-7 AU / 225/14 / 240/14 / Z 40 / 0 001 445 702
Bosch: W 5 AC / 0 241 245 580 / 0 241 245 602 / N 15 / N 15 C
Champion: L 4 J / L 5 / L 77 J / L 77 JC / L 78 / L 81 / L 78 C / UL 4 J / UL 81 C / UL 81 J
Denso: TR 22 / W 22 FS / W 22 FSU / 4025
Marelli: CW 8 N / CW 250 A / CW 260 N / CWC 9 NJ