NGK Racing Spark Plug 7791 - R0409B-8 | Honda CRF250R 2005-2009

NGK Racing Series Plugs are Engineered to Withstand the Harshest Engine Conditions.

Features

• Racing Series Spark Plug
• Partial Thread
• Pin Type Ground Electrode
• Sold individually

Shell

• Thread Size: 10mm
• Thread Pitch: 1.0mm
• Seat Type: Gasket
• Resistor: Yes
• Resistor Value: 5K Ohm
• Reach: 19mm (3/4")
• Hex Size: 5/8" (16mm)
• Terminal Type: Threaded Stud
• Overall Height: ISO
• Gap:. 028" (0.7mm)

Center Electrode

• Material: Nickel
• Type: Fine Wire
• Size: 1.3mm
• Projection: Non-Projected

Ground Electrode

• Material: Nickel
• Type: Slant
• Quantity: 1

Specifications

• Torque Specs: Cast Iron: 7.2-10.8 lb. ft. Aluminum: 7.2-8.7 lb. ft.
• Brand: NGK
• Heat Range: 8
• Features: 12.7mm Threaded Reach