NGK BR8ES Spark Plug (5422)

The NGK BR8ES (stock #5422) is a 14 mm replacement spark plug trusted for reliable starts and a consistent spark. Its colder heat range and built-in resistor make it a popular choice for high-output 2-stroke engines like dirt bikes, snowmobiles, outboard motors and professional chainsaws.

Features

• Colder heat range for high-performance and high-load engines
• Built-in resistor to suppress electrical noise
• Trivalent metal plating for excellent anti-corrosion and anti-seizing properties
• Copper core for efficient heat transfer
• Corrugated ribs help prevent flashover

Specifications

• Brand: NGK
• Part number: BR8ES
• Stock number: 5422
• Thread diameter: 14 mm
• Thread reach: 19 mm (3/4")
• Hex size: 13/16" (20.6 mm)
• Heat range: 8
• Resistor: Yes

Fitment

Always confirm the correct spark plug for your engine using your owner's manual or the part number on your existing plug. Check and set the electrode gap to your equipment manufacturer's specification before installing.