NGK Racing Spark Plug 5281 - R2525-10

NGK Racing Series plugs are engineered to withstand the harshest engine conditions.

Features:

• Special insulator nose configurations improve throttle response
• 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
• Sold individually

Shell:

• Thread Size: 12mm
• Thread Pitch: 1.25mm
• Seat Type: Gasket
• Resistor Value: 5K Ohm
• Reach: 19mm (3/4")
• Hex Size: 5/8" (16mm)
• Terminal Type: Removable Nut
• Overall Height: ISO
• Gap: 0.024" (0.6mm)

Center Electrode:

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

Ground Electrode:

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

Specifications:

• Warranty: 1 Year
• Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft.
• Heat Range: 10
• Resistor: Yes

Manufacturer Stock Number: 5281