Spark plug NGK BP7HS 20.8mm 14.0mm 12.7mm 0.7mm

NGK is one of the world's leading spark plug original equipment manufacturers. NGK spark plug heat value and design correspond to the original.
Width across flats: 20.8mm
Thread diameter: 14.0mm
Thread length: 12.7mm
Electrode distance: 0.7mm
Resistance: not suppressed
OEM numbers for comparison purposes:
Bosch: W 5 B / W 5 BC / W 5 BP / W 225 T35 / 0 241 245 553 / 0 241 245 619 / 0 241 245 646 / 0 241 245 656
Champion: L 64 Y / L 78 YC / L 81 Y / UL 82 Y
Denso: W 22 FP / W 22 FP-U / W 22 FP-U 10 / W 22 FPUS / D 74 / 4021