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NGK Motorcycle Spark Plugs

NGK Spark Plugs For Genuine Ignition Components

NGK spark plugs are trusted worldwide for reliable ignition performance, long service life, and consistent quality. Used by manufacturers and mechanics alike, NGK plugs are designed to deliver efficient combustion, smooth running, and dependable starting across a wide range of engines.

  • Genuine NGK products supplied in original packaging
  • Designed to meet strict manufacturer specifications
  • Suitable for motorcycles, scooters, cars, and small engines
  • Available in standard, resistor, iridium, and platinum types
  • Reliable performance for everyday use and specialist applications

NGK is a global manufacturer, with spark plugs produced in both India and Japan. We supply both options to suit different budgets and application needs. All NGK plugs we supply meet NGK’s quality control standards and deliver reliable performance, regardless of country of manufacture.

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View our Spark Plug FAQs for help and advice.

Showing: 181 - 210 (of 330 products)
NGK IJR8B9 Spark Plug (Japan)

NGK IJR8B9 Spark Plug (Japan)

Pack size: Each SKU: 005484
In Stock

£35.65

Premium iridium electrode. Thread 12mm x reach 19mm x hex 16mm. Gasket seat type. Ceramic resistor. Heat range 8. Special design. 0.9mm (0.0...


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NGK MAR8B-JDS Spark Plug (Japan)

NGK MAR8B-JDS Spark Plug (Japan)

Pack size: Each SKU: 005521
In Stock

£16.00

Thread 10mm x reach 19mm x hex 14mm. Gasket seat type. Ceramic resistor. Heat range 8. Special design. 2 ground electrodes.


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NGK LR8B Spark Plug (Japan)

NGK LR8B Spark Plug (Japan)

Pack size: Each SKU: 005519
In Stock

£7.50

Thread 10mm x reach 12.7mm x hex 16mm. Gasket seat type. Ceramic resistor. Heat range 8. Special design.


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NGK BPR5HS Spark Plug (Japan)

NGK BPR5HS Spark Plug (Japan)

Pack size: Each SKU: 005302
In Stock

£3.85

Thread 14mm x hex 3/4" (19mm) x pitch 1.25mm. Projected insulator. Ceramic resistor. Heat range 5. 12.7mm (1/2") reach. Standard 2...


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NGK BR9HS Spark Plug (Japan)

NGK BR9HS Spark Plug (Japan)

Pack size: Each SKU: 005359
In Stock

£4.65

Thread 14mm x hex 3/4" (19mm) x pitch 1.25mm. Ceramic resistor. Heat range 9. 12.7mm (1/2") reach. Standard 2.5mm copper core cent...


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NGK CR8EIA-9 Spark Plug (Japan)

NGK CR8EIA-9 Spark Plug (Japan)

Pack size: Each SKU: 005405
In Stock

£13.40

Thread 10mm x hex 5/8" (16mm) x pitch 1.00mm. Ceramic resistor. Heat range 8. 19mm (3/4") reach. Iridium tipped centre electrode. ...


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NGK LMAR9D-J Spark Plug (Japan)

NGK LMAR9D-J Spark Plug (Japan)

Pack size: Each SKU: 005517
In Stock

£13.40

Thread 10mm x reach 19mm x hex 14mm. Gasket seat type. Ceramic resistor. Heat range 9. 2 ground electrodes.


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NGK DPR9Z Spark Plug (Japan)

NGK DPR9Z Spark Plug (Japan)

Pack size: Each SKU: 005459
In Stock

£9.35

Thread 12mm x hex 18mm x pitch 1.25mm. Projected insulator. Ceramic resistor. Threaded top (No Cap). Heat range 9. 19mm (3/4") reach. 0...


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NGK CR8EH-9S Spark Plug (Japan)

NGK CR8EH-9S Spark Plug (Japan)

Pack size: Each SKU: 005402
In Stock

£12.20

Thread 10mm x hex 5/8" (16mm) x pitch 1.00mm. Ceramic resistor. Heat range 8. 19mm (3/4") reach. Half thread (12.7mm threaded). 0....


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NGK DCR9EIX Iridium Spark Plug (Japan)

NGK DCR9EIX Iridium Spark Plug (Japan)

Pack size: Each SKU: 005445
In Stock

£17.65

Thread 12mm x hex 5/8" (16mm) x pitch 1.25mm. Ceramic resistor. Heat range 9. 19mm (3/4") reach. 0.6mm fine wire iridium centre el...


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NGK IZFR6F11 Spark Plug (Japan)

NGK IZFR6F11 Spark Plug (Japan)

Pack size: Each SKU: 005495
In Stock

£27.20

Premium iridium electrode. Extended projection. Thread 14mm x reach 19mm x hex 13/16". Gasket seat type. Ceramic resistor. Heat range 6...


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NGK C8HSA, L8A Spark Plug (Japan)

NGK C8HSA, L8A Spark Plug (Japan)

Pack size: Each SKU: 005364
In Stock

£3.60

Thread 10mm x hex 5/8" (16mm) x pitch 1.00mm. Heat range 8. 12.7mm (1/2") reach. Standard 2.5mm copper core centre electrode. Spec...


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NGK BP5HS Spark Plug (Japan)

NGK BP5HS Spark Plug (Japan)

Pack size: Each SKU: 005287
In Stock

£2.80

Thread 14mm x hex 13/16" x pitch 1.25mm. Projected insulator. Heat range 5. Reach 12.7mm (1/2"). Standard 2.5mm copper core centre...


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NGK LMAR9E-J Spark Plug (Japan)

NGK LMAR9E-J Spark Plug (Japan)

Pack size: Each SKU: 005518
In Stock

£21.75

Thread 10mm x reach 19mm x hex 14mm. Gasket seat type. Ceramic resistor. Heat range 9. 2 ground electrodes.


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NGK LMAR8AI-8 Spark Plug (Japan)

NGK LMAR8AI-8 Spark Plug (Japan)

Pack size: Each SKU: 005510
In Stock

£15.15

Thread 10mm x reach 19mm x hex 14mm. Gasket seat type. Ceramic resistor. Heat range 8. Special design. Single iridium electrode. 0.9mm (0.03...


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NGK R0409B-8 Racing Spark Plug (Japan)

NGK R0409B-8 Racing Spark Plug (Japan)

Pack size: Each SKU: 005531
In Stock

£63.70

Thread 10mm x hex 16mm. Spark plugs used for racing must withstand especially hard stresses. The speeds during a race are frequently in exce...


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NGK ZMR7AP Spark Plug (Japan)

NGK ZMR7AP Spark Plug (Japan)

Pack size: Each SKU: 005552
In Stock

£20.50

Extended projection. Thread 10mm x reach 19mm x hex 16mm. Gasket seat type. Ceramic resistor. Heat range 7. Special design. Single platinum ...


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NGK BPM7A Spark Plug (Japan)

NGK BPM7A Spark Plug (Japan)

Pack size: Each SKU: 005296
In Stock

£3.10

Thread 14mm x hex 3/4" (19mm) x pitch 1.25mm. Projected insulator. Compact type (Bantam). Heat range 7. 9.5mm (3/8") reach. 0.7-0....


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NGK CR7HSA-9 Spark Plug (Japan)

NGK CR7HSA-9 Spark Plug (Japan)

Pack size: Each SKU: 005397
In Stock

£4.30

Thread 10mm x hex 5/8" (16mm) x pitch 1.00mm. Ceramic resistor. Heat range 7. 12.7mm (1/2") reach. Standard 2.5mm copper core cent...


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NGK R0451B-8 Racing Spark Plug (Japan)

NGK R0451B-8 Racing Spark Plug (Japan)

Pack size: Each SKU: 005532
In Stock

£46.70

Thread 10mm x reach 26.5mm x hex 14mm. Spark plugs used for racing must withstand especially hard stresses. The speeds during a race are fre...


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NGK JR9C Spark Plug (Japan)

NGK JR9C Spark Plug (Japan)

Pack size: Each SKU: 005498
In Stock

£9.90

Thread 12mm x reach 19mm x hex 16mm. Gasket seat type. Ceramic resistor. Heat range 9. Special design.


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NGK ER9EH-6N Spark Plug (Japan)

NGK ER9EH-6N Spark Plug (Japan)

Pack size: Each SKU: 005476
In Stock

£22.20

Thread 8mm x hex 13mm x pitch 1.00mm. Ceramic resistor. Heat range 9. 19mm (3/4") reach. Half thread (12.7mm threaded). 0.6mm (0.024&qu...


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NGK CR6EH-9 Spark Plug (Japan)

NGK CR6EH-9 Spark Plug (Japan)

Pack size: Each SKU: 005380
In Stock

£12.85

Thread 10mm x hex 5/8" (16mm) x pitch 1.00mm. Ceramic resistor. Heat range 6. 19mm (3/4") reach. Half thread (12.7mm threaded). 0....


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NGK CR6HSA Spark Plug (Japan)

NGK CR6HSA Spark Plug (Japan)

Pack size: Each SKU: 038609
In Stock

£4.50

Thread 10mm x hex 5/8" (16mm) x pitch 1.00mm. Ceramic resistor. Heat range 6. 12.7mm (1/2") reach. Standard 2.5mm copper core cent...


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NGK DPR5EA-9 Spark Plug (Japan)

NGK DPR5EA-9 Spark Plug (Japan)

Pack size: Each SKU: 005447
In Stock

£4.70

Thread 12mm x hex 18mm x pitch 1.25mm. Projected insulator. Ceramic resistor. Heat range 5. 19mm (3/4") reach. Special design. 0.9mm (0...


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NGK IMR9C-9HES Spark Plug (Japan)

NGK IMR9C-9HES Spark Plug (Japan)

Pack size: Each SKU: 005492
In Stock

£28.50

Premium iridium electrode. Thread 10mm x reach 19mm x hex 16mm. Gasket seat type. Ceramic resistor. Heat range 9. Special design. 0.9mm (0.0...


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NGK CR8EIA-10 Spark Plug (Japan)

NGK CR8EIA-10 Spark Plug (Japan)

Pack size: Each SKU: 005404
In Stock

£15.15

Thread 10mm x hex 5/8" (16mm) x pitch 1.00mm. Ceramic resistor. Heat range 8. 19mm (3/4") reach. Iridium tipped centre electrode. ...


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NGK CR9EKPA Spark Plug (Japan)

NGK CR9EKPA Spark Plug (Japan)

Pack size: Each SKU: 005425
In Stock

£24.45

Thread 10mm x hex 5/8" (16mm) x pitch 1.00mm. Ceramic resistor. Heat range 9. 19mm (3/4") reach. 2 ground electrodes. Intermittent...


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NGK SILMAR9A9-S Spark Plug (Japan)

NGK SILMAR9A9-S Spark Plug (Japan)

Pack size: Each SKU: 005548
In Stock

£30.85

Square tipped electrode. Premium iridium electrode. Thread 10mm x reach 19mm x hex 14mm. Gasket seat type. Ceramic resistor. Heat range 9. S...


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NGK IMR9D-9H Spark Plug (Japan)

NGK IMR9D-9H Spark Plug (Japan)

Pack size: Each SKU: 005493
In Stock

£30.90

Premium iridium electrode. Thread 10mm x reach 19mm x hex 16mm. Gasket seat type. Ceramic resistor. Heat range 9. 0.9mm (0.035") gap.


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