NGK CR7HSA (4549) standard nickel tipped spark plug designed to deliver reliable ignition and performance in a wide range of motorcycles, ATVs, and small engine applications. The workhorse, at the heart of smooth running engines around the world. Always verify fitment with your specific engine’s thread size, reach, electrode gap and heat range.

Features:

• OEM Quality
• Resistor type
• Triple-Gasket Sealing Process
• Consistent Performance with a deep seated copper core for a wider heat range
• High-Alumina ceramics for improved heat dissipation and electrical insulation
• Nickel alloy tip for longer life
• Standard 2.5mm center electrode
• Thread: M10 x 1.0mm
• Thread Reach: 12.7mm / 1/2 inch
• Hex Size: 16mm / 5/8 inch
• Electrode / spark gap: 0.7mm / 0.028 inch
• Heat range: 7

NGK Part Number: 4549