NGK SPARK PLUG BR8HS 4322 NG4322
NGK Spark Plug BR8HS 4322. Features wide heat range 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 include a heat range of 8, 14 mm thread size, resistor type, and a weight of 0.12 lbs. Alternate/OEM Part Numbers are 4322 and BR8HS. Traditional Spark Plug, 14mm Thread Size, 12.7mm (1/2") Reach, 13/16" (20.6 mm) Hex Size, Gasket Seat, Resistor, Removable Terminal Nut, .028" (0.7 mm) Gap. NGK traditional plugs are engineered for durability and efficient performance. The design features a robust nickel construction for longevity and a removable terminal nut for flexibility in applications.
- SKU
- 37-BR8HS
- Brand
- NGK
- Availability
- In Stock (29)
FULL DESCRIPTION
NGK Spark Plug BR8HS
This NGK BR8HS spark plug is engineered for durability and efficient performance in high-performance engines. It utilizes a copper core for rapid heat dissipation, effectively cooling the electrode and insulator tip. The long nose insulator design enhances resistance to pre-ignition.
Key Features:
- Wide heat range for optimal operating temperatures.
- Copper wire core for superior heat dissipation compared to iron.
- High-conduction copper and long nose insulator improve pre-ignition resistance.
- Designed for high-performance applications.
- Resistor type plug.
- Removable terminal nut for versatile installation.
- Gasket seat for a secure fit.
Specifications:
- Heat Range: 8
- Thread Size: 14 mm
- Reach: 12.7 mm (1/2 inch)
- Hex Size: 20.6 mm (13/16 inch)
- Gap: 0.7 mm (.028 inch)
- Weight: 0.12 lbs
- Alternate/OEM Part Numbers: 4322, BR8HS


