NGK Spark Plug BR9HS 4522

NGK Spark Plug - BR9HS

Features:

• Wide heat range achieved using copper wire instead of conventional iron cores.
• Copper dissipates heat quickly, cooling the electrode and insulator tip.
• High-conduction copper and long nose insulator enhance pre-ignition resistance.
• Designed for high-performance engines.
• Sold individually.

Specifications:

• Heat Range: 9
• Thread Size: 14 mm
• Reach: 12.7 mm (1/2")
• Hex Size: 13/16" (20.6 mm)
• Seal Type: Gasket Seat
• Type: Resistor
• Electrode Material: Nickel
• Terminal Type: Removable Terminal Nut
• Gap: .028" (0.7 mm)
• Units: Each
• Weight: 0.12 lbs
• Alternate/OEM Part Numbers: 4522, BR9HS
• Part Number: 37-BR9HS

Compatible Models:

Yamaha:

• 1980–1981 Enticer 250

Product Summary:

• Description: NGK 4522 BR9HS Nickel Spark Plug. Traditional Spark Plug with 14mm Thread Size, 1/2" Reach, and Resistor.
• Details: NGK's copper core design ensures efficient heat dissipation and durability, while the alumina silicate ceramic insulator provides superior strength and heat transfer. The plug's corrugated ribs prevent flashover, and the triple-sealed construction enhances reliability by preventing leakage. Ideal for high-performance engines requiring dependable ignition under demanding conditions.
  
  S/SEED FROM 37-B9HS TO 37-BR9HS