NGK BPR4HS Spark Plug

The NGK BPR4HS is a 14 mm replacement spark plug trusted for reliable starts and a consistent spark. Its projected tip and built-in resistor make it a popular choice for lawn mowers, tillers, generators and other small 4-stroke engines.

Features

• Projected insulator tip for improved ignitability and anti-fouling
• 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: BPR4HS
• Thread diameter: 14 mm
• Thread reach: 11.2 mm (7/16")
• Hex size: 13/16" (20.6 mm)
• Heat range: 4
• 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.