NGK 5666 CR8EH-9 Nickel Spark Plug

• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Corrugated ribs prevent flashover
• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage

• Shell
• Thread Diameter10mm
• Thread Pitch1.0mm
• Seat TypeGasket
• Reach19mm (3/4")
• Hex Size5/8" (16mm)
• Terminal TypeThreaded Stud
• Overall HeightISO
• Gap.035" (0.9mm)

• Center Electrode
• MaterialNickel
• TypeStandard
• Size2.5mm
• ProjectionNon-Projected

• Ground Electrode
• MaterialNickel
• TypeStandard
• Quantity1

• Specifications
• ResistorYes
• Resistor Value5k Ohm
• Heat Range8
• Features12.7mm Threaded Reach
• Torque SpecsCast Iron: 7.2-10.8 lb. ft. Aluminum: 7.2-8.7 lb. ft.

• Part Information
• BrandNGK/NTK
• Warranty60 Days
• Longevity30k Miles

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• 2020
  • Honda
    • NPS50 Ruckus Base Verify fitment
• 2019
  • Honda
    • CRF150R Base Verify fitment
    • CRF150R Expert Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
• 2018
  • Honda
    • CRF150R Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
• 2017
  • Honda
    • CRF150R Base Verify fitment
    • CRF150R Expert Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
• 2016
  • Honda
    • CRF150R Base Verify fitment
    • CRF150R Expert Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
• 2015
  • Honda
    • CRF150R Base Verify fitment
    • CRF150R Expert Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
    • PCX150 Base Verify fitment
• 2014
  • Honda
    • CRF150R Base Verify fitment
    • CRF150R Expert Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
• 2013
  • Honda
    • CRF150R Base Verify fitment
    • CRF150R Expert Base Verify fitment
    • FSC600A Silver Wing ABS Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
• 2012
  • Honda
    • CRF150R Base Verify fitment
    • CRF150R Expert Base Verify fitment
    • FSC600A Silver Wing ABS Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
• 2011
  • Honda
    • FSC600A Silver Wing ABS Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
• 2010
  • Honda
    • FSC600 Silver Wing Base Verify fitment
    • FSC600A Silver Wing ABS Base Verify fitment
    • SH150i Base Verify fitment
• 2009
  • Honda
    • CHF50 Metropolitan Base Verify fitment
    • CRF150R Base Verify fitment
    • CRF150R Expert Base Verify fitment
    • FSC600 Silver Wing Base Verify fitment
    • FSC600A Silver Wing ABS Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
    • NPS50S Ruckus Base Verify fitment
• 2008
  • Honda
    • CHF50 Metropolitan Base Verify fitment
    • CRF150R Base Verify fitment
    • CRF150R Expert Base Verify fitment
    • FSC600 Silver Wing Base Verify fitment
    • FSC600A Silver Wing ABS Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
    • NPS50S Ruckus Base Verify fitment
• 2007
  • Honda
    • CB900F 919 Base Verify fitment
    • CHF50 Metropolitan Base Verify fitment
    • CRF150R Base Verify fitment
    • CRF150R Expert Base Verify fitment
    • FSC600 Silver Wing Base Verify fitment
    • FSC600A Silver Wing ABS Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
    • NPS50S Ruckus Base Verify fitment
• 2006
  • Honda
    • CB900F 919 Base Verify fitment
    • CHF50 Metropolitan Base Verify fitment
    • FSC600 Silver Wing Base Verify fitment
    • FSC600A Silver Wing ABS Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
    • NPS50S Ruckus Base Verify fitment
• 2005
  • Honda
    • CB900F 919 Base Verify fitment
    • CHF50 Metropolitan Base Verify fitment
    • CHF50P Metropolitan II Base Verify fitment
    • FSC600 Silver Wing Base Verify fitment
    • FSC600A Silver Wing ABS Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
    • NPS50S Ruckus Base Verify fitment
• 2004
  • Honda
    • CB900F 919 Base Verify fitment
    • CHF50 Metropolitan Base Verify fitment
    • CHF50P Metropolitan II Base Verify fitment
    • FSC600 Silver Wing Base Verify fitment
    • FSC600A Silver Wing ABS Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
    • NPS50S Ruckus Base Verify fitment
    • XR250R Base Verify fitment
• 2003
  • Honda
    • CB900F 919 Base Verify fitment
    • CHF50 Metropolitan Base Verify fitment
    • CHF50P Metropolitan II Base Verify fitment
    • FSC600 Silver Wing Base Verify fitment
    • FSC600A Silver Wing ABS Base Verify fitment
    • NPS50 Ruckus Base Verify fitment
    • ST1100 Base Verify fitment
    • ST1100 ABS Base Verify fitment
    • VF750C Magna Base Verify fitment
    • XR250R Base Verify fitment
• 2002
  • Honda
    • CB900F 919 Base Verify fitment
    • CHF50 Metropolitan Base Verify fitment
    • CHF50P Metropolitan II Base Verify fitment
    • FSC600 Silver Wing Base Verify fitment
    • ST1100 Base Verify fitment
    • ST1100 ABS Base Verify fitment
    • VF750C Magna Base Verify fitment
    • XR250R Base Verify fitment
• 2001
  • Honda
    • ST1100 Base Verify fitment
    • ST1100 ABS Base Verify fitment
    • VF750C Magna Base Verify fitment
    • VFR800 Interceptor Base Verify fitment
    • XR250R Base Verify fitment
• 2000
  • Honda
    • ST1100 Base Verify fitment
    • ST1100 ABS Base Verify fitment
    • VF750C Magna Base Verify fitment
    • VFR800 Interceptor Base Verify fitment
    • XR250R Base Verify fitment
• 1999
  • Honda
    • CBR900RR Base Verify fitment
    • ST1100 Base Verify fitment
    • ST1100 ABS Base Verify fitment
    • VF750C Magna Base Verify fitment
    • VFR800 Interceptor Base Verify fitment
    • XR250R Base Verify fitment
• 1998
  • Honda
    • CBR900RR Base Verify fitment
    • ST1100 Base Verify fitment
    • ST1100 ABS Base Verify fitment
    • VF750C Magna Base Verify fitment
    • VFR800 Interceptor Base Verify fitment
    • XR250R Base Verify fitment
• 1997
  • Honda
    • CBR900RR Base Verify fitment
    • ST1100 Base Verify fitment
    • ST1100 ABS Base Verify fitment
    • VF750C Magna Base Verify fitment
    • VFR750F Interceptor Base Verify fitment
    • XR250R Base Verify fitment
• 1996
  • Honda
    • CBR900RR Base Verify fitment
    • ST1100 Base Verify fitment
    • ST1100 ABS Base Verify fitment
    • VF750C Magna Base Verify fitment
    • VF750CD Magna Deluxe Base Verify fitment
    • VFR750F Interceptor Base Verify fitment
    • XR250R Base Verify fitment
• 1995
  • Honda
    • CBR900RR Base Verify fitment
    • ST1100 Base Verify fitment
    • ST1100 ABS Base Verify fitment
    • VF750C Magna Base Verify fitment
    • VF750CD Magna Deluxe Base Verify fitment
    • VFR750F Interceptor Base Verify fitment
• 1994
  • Honda
    • CBR900RR Base Verify fitment
    • ST1100 Base Verify fitment
    • ST1100 ABS Base Verify fitment
    • VF750C Magna Base Verify fitment
    • VFR750F Interceptor Base Verify fitment
• 1993
  • Honda
    • CBR900RR Base Verify fitment
    • ST1100 Base Verify fitment
    • ST1100 ABS Base Verify fitment
    • VFR750F Interceptor Base Verify fitment
• 1992
  • Honda
    • ST1100 Base Verify fitment
    • ST1100 ABS Base Verify fitment
    • VFR750F Interceptor Base Verify fitment
• 1991
  • Honda
    • ST1100 Base Verify fitment
    • VFR750F Interceptor Base Verify fitment
• 1990
  • Honda
    • CB400F CB-1 Base Verify fitment
    • VFR750F Interceptor Base Verify fitment
    • VFR750R RC30 Base Verify fitment
    • VTR250 Interceptor Base Verify fitment
• 1989
  • Honda
    • CB400F CB-1 Base Verify fitment
    • VTR250 Interceptor Base Verify fitment

Non-Automotive

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