NGK IX Iridium/Spark Plug

Vehicle Specific
Part Number: 6637
Alternate Part Number: BPR6EIX
Features & Benefits

NGK Iridium IX spark plugs are designed specifically for the performance enthusiast. Iridium IX spark plugs offer extreme ignitibility, improved throttle response and superior anti-fouling.

  • Fine wire Iridium center electrode ensures high durability and a consistently stable spark
  • Iridium alloy has an extremely high melting point, perfect for today s high-performance engines
  • Trivalent metal plating has superior anti-corrosion and anti-seizing properties
  • Special taper-cut ground electrode shape to allow for more area for flame expansion
Product Details
Part Number: 6637
Weight: 0.1 lbs
Center Electrode Core Material: Copper
Center Electrode Tip Material: Iridium
Drive Size: 13/16 in
Ground Electrode Tip Material: Nickel Alloy
Insulator Material: Ceramic
Insulator Type: Projected
Manufacturer Heat Range Number: 6
Package Quantity: 1
Reach (in): 0.75
Resistor: Yes
Seat Style: Gasket
Thread Size: 14 mm
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
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    NGK IX Iridium/Spark Plug


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