NGK Spark Plug IMR8C-9H 3653 NG3653

NGK Spark Plug IMR8C-9H 3653 NG3653. Find the product specifications and compatibility information below.

Product details

• Product: NGK Spark Plug IMR8C-9H 3653 NG3653
• Part number: 37-IMR8C9H
• Brand: NGK
• NGK Iridium Racing IX Spark Plug - IMR8C9H / IMR8C-9H [3653]
• Product Highlights:
• Features advanced iridium technology, with an electrode 25% smaller than platinum and 1/4 the size of conventional nickel electrodes.
• Ultra-fine 0.6 mm diameter center electrode reduces voltage requirements and extends ignition system life.
• Tapered ground electrode enhances flame core growth and ignition performance, improving acceleration and fuel efficiency.
• Enhanced anti-corrosion qualities with advanced metal shell plating.
• Sold individually.
• Heat Range: 8
• Thread Size: 10 mm
• Reach: 19 mm (3/4")
• Hex Size: 5/8" (16 mm)
• Seat Type: Gasket
• Terminal Type: Stud Terminal Threads
• Tip Configuration: Projected Tip
• Threaded Length: 12.7 mm (1/2") Half Threaded
• Gap: .035" (0.9 mm)
• Type: Resistor
• Units: Each
• Weight: 0.06 lbs
• Compatible Models
• Part Number Reference:
• Part No.: 37-IMR8C9H
• Additional Notes:
• Extreme Long Life Laser Iridium Plug Features:
• Iridium Tipped Fine Wire Center Electrode: Enables a brighter, stronger spark with reduced voltage requirements.
• Platinum Tipped Tapered Cut Ground Electrode: Improves plug longevity while reducing quenching for better ignitability.
• Trivalent Metal Plating: Provides superior anti-corrosion and anti-seizing properties.
• Corrugated Ribs: Prevent flashover for consistent performance.
• Pure Alumina Silicate Ceramic Insulator: Enhances strength and heat transfer.
• Copper Core: Aids in heat removal for improved thermal stability.
• NOTE: Does not include terminal nut. If needed, order part #067606-0051.
• NGK Iridium Racing IX plugs are ideal for high-performance applications, offering improved efficiency, reliability, and engine performance.

Vehicle fitment

Applications listed in the supplier fitment data:

Match your exact make, model, year and specification before ordering.

Why buy from FDY Performance?

FDY Performance is a UK motorcycle and ATV parts specialist. We help riders find parts with clear specifications, vehicle fitment information where available and support before ordering.

Need help choosing the right part?

Contact us with your bike make, model and year, plus the part number shown above, and we can help you check compatibility.

• Call: 07765 534854
• Email: fdy@fdyperformance.com
• Website: www.fdyperformance.com