All “B” series NGK spark plugs use a 14mm outer diameter thread with a 1.25mm thread pitch.
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See below reference chart for specs:
B10EG: | 21mm Hex | 19.00mm Reach | 0.6mm Gap | 1.3mm Nickel Electrode | Removable Nut | Resistor: No |
B4H: | 21mm Hex | 12.70mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
B4LM: | 21mm Hex | 09.50mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
B5ES: | 21mm Hex | 19.00mm Reach | 0.9mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
B5HS: | 21mm Hex | 12.70mm Reach | 0.9mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
B6ES: | 21mm Hex | 19.00mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
B6HS: | 21mm Hex | 12.70mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
B6S: | 21mm Hex | 09.50mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
B7ES: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
B7HS: | 21mm Hex | 12.70mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
B8EG: | 21mm Hex | 19.00mm Reach | 0.6mm Gap | 1.3mm Nickel Electrode | Removable Nut | Resistor: No |
B8ES: | 21mm Hex | 19.00mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
B8HS: | 21mm Hex | 12.70mm Reach | 0.6mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
B8HS-10: | 21mm Hex | 12.70mm Reach | 1.0mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
B9EG: | 21mm Hex | 19.00mm Reach | 0.6mm Gap | 1.3mm Nickel Electrode | Removable Nut | Resistor: No |
B9ES: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
B9HS: | 21mm Hex | 12.70mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
BCP6ES: | 21mm Hex | 19.00mm Reach | 0.9mm Gap | 2.5mm Nickel Electrode | Solid Nut | Resistor: No |
BKR5E: | 16mm Hex | 19.00mm Reach | 0.9mm Gap | 2.5mm Nickel Electrode | Solid Nut | Resistor: Yes |
BKR6E: | 16mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Solid Nut | Resistor: Yes |
BKR7EKC: | 16mm Hex | 19.00mm Reach | Multi-Ground | 2.5mm Nickel Electrode | Solid Nut | Resistor: Yes |
BM6A: | 19mm Hex | 09.50mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
BMR6A: | 19mm Hex | 09.50mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BP4ES: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
BP4HS: | 21mm Hex | 12.70mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
BP5ES: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
BP6ES: | 19mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
BP6HS: | 21mm Hex | 12.70mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
BP7ES: | 21mm Hex | 19.00mm Reach | 0.9mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
BP7HS: | 21mm Hex | 12.70mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
BP7HS-10: | 21mm Hex | 12.70mm Reach | 1.0mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
BP8ES: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
BP8H-N-10: | 21mm Hex | 12.70mm Reach | 1.0mm Gap | 2.5mm Nickel Electrode | Solid Nut | Resistor: No |
BP8HS: | 21mm Hex | 12.70mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
BPM6A: | 19mm Hex | 09.50mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
BPM7A: | 19mm Hex | 9.50mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: No |
BPMR6A: | 19mm Hex | 09.50mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BPR2ES: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BPR4ES: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BPR5ES: | 21mm Hex | 19.00mm Reach | 0.9mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BPR6ES: | 21mm Hex | 19.00mm Reach | 0.9mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BPR7ES: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BPR7EIX: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 0.6mm Iridium Electrode | Removable Nut | Resistor: Yes |
BPR8ES: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BR10EG: | 21mm Hex | 19.00mm Reach | 0.6mm Gap | 1.3mm Nickel Electrode | Removable Nut | Resistor: Yes |
BR7ES: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BR7HS: | 21mm Hex | 12.70mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BR6HS-10: | 21mm Hex | 12.70mm Reach | 1.0mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BR7HS-10: | 21mm Hex | 12.70mm Reach | 1.0mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BR8ECM: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Solid Nut | Resistor: Yes |
BR8EG: | 21mm Hex | 19.00mm Reach | 0.6mm Gap | 1.3mm Nickel Electrode | Removable Nut | Resistor: Yes |
BR8EIX: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 0.6mm Iridium Electrode | Removable Nut | Resistor: Yes |
BR8ES: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BR8ES-11: | 21mm Hex | 19.00mm Reach | 1.1mm Gap | 2.5mm Nickel Electrode | Solid Nut | Resistor: Yes |
BR8HS: | 21mm Hex | 12.70mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BR8HS-10: | 21mm Hex | 12.70mm Reach | 1.0mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BR8HIX: | 21mm Hex | 12.70mm Reach | 0.8mm Gap | 0.6mm Iridium Electrode | Removable Nut | Resistor: Yes |
BR9ECM: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Solid Nut | Resistor: Yes |
BR9ECMIX: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 0.6mm Iridium Electrode | Solid Nut | Resistor: Yes |
BR9EG: | 21mm Hex | 19.00mm Reach | 0.6mm Gap | 1.3mm Nickel Electrode | Removable Nut | Resistor: Yes |
BR9EIX: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 0.6mm Iridium Electrode | Removable Nut | Resistor: Yes |
BR9ES: | 21mm Hex | 19.00mm Reach | 0.8mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |
BR9HS: | 21mm Hex | 12.70mm Reach | 0.7mm Gap | 2.5mm Nickel Electrode | Removable Nut | Resistor: Yes |