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Technical

12mm Diameter

12mm Diameter spark plugs from trusted brands such as Champion, Denso, Bosch and NGK.

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Reach
  1. 11.2mm (7/16") (6)
  2. 12.7mm (1/2") (51)
  3. 19mm (3/4") (162)
  4. 24.2mm (1)
  5. 25.4mm (1") (4)
  6. 26.5mm (1.04") (33)
  7. 28.5mm (1.12") (1)
Manufacturer
  1. AC (8)
  2. Beru (44)
  3. Bosch (53)
  4. Brisk (3)
  5. Champion (62)
  6. Denso (62)
  7. KLG (7)
  8. Lodge (9)
  9. Motorcraft (8)
  10. NGK (133)
Diameter
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  2. 12mm (336)
  3. 14mm (7)
Hex Spanner Size
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  2. 14mm (9/16") (20)
  3. 16mm (5/8") (107)
  4. 18mm (11/16") (106)
  5. 19mm (3/4") (19)
  6. 20.8mm (13/16") (2)
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  3. UNC Thread (2)
Resistor
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  2. Yes (129)
Projection Type
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Electrode Material
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  2. Gold Palladium (18)
  3. Iridium (37)
  4. Iridium Power (12)
  5. Iridium Racing (4)
  6. Platinum (22)
  7. Silver (4)
  8. Standard Nickel (148)
  9. Twin Tip (2)
Tip Configuration
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  2. Surface Gap (3)
  3. Twin Electrode (6)
Applications
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  2. Powersport (1)
  3. Racing (23)
About GSP
Green Spark Plug

Green Spark Plug Co. Ltd has now added a dedicated sales and distribution team to handle customers questions and pre-sales enquires, we are experts in our field so if you have a query let us know!

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Middlewich
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CW10 9LF

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