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NGK

NGK BPR9EIX Iridium Racing Spark Plug

NGK BPR9EIX Iridium Racing Spark Plug

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BPR9EIX

NGK IX Iridium Series plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines.

Specifications

Thread Diameter 14mm
Thread Pitch 1.25mm
Seat Type Gasket
Reach 19mm (3/4")
Hex Size 13/16" (21mm)
Terminal Type Removable Nut
Overall Height JIS
Gap .031" (0.8mm)
Resistor Yes
Resistor Value 5k Ohm
Heat Range 9
Torque Specs Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
NGK stock no. 6853
Center electrode material Iridium, type Fine Wire, size 0.6mm, projection Projected

Manufacturer data: ngk.com · retrieved 2026-09-05

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Specifications

Specification Value
SKU BPR9EIX
Brand NGK

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