NGK Iridium BKR8EIX Spark Plugs

If you're running a tuned engine with elevated cylinder temps and higher combustion pressures, the Heat Range 8 BKR8EIX is the plug your tuner is recommending for a reason. The 0.6mm iridium fine-wire center electrode fires harder and more consistently than platinum, the tapered-cut ground electrode improves throttle response and idle quality, and iridium's extreme hardness (6x harder than platinum) means the gap stays consistent far longer. These are built for the performance enthusiast running modifications that demand more from the ignition system. Sold individually.

Product Attributes:

• Short Style Spark Plug: No
• Service Number: BKR8EIX
• Stock Number: 2668
• Part Number: BKR8EIX
• Resistance: 5000.0
• Ground Electrode Tip Design: Taper Cut
• Ground Configuration: J-Gap
• Ground Electrode Core Material: Nickel
• Washer(s) Included: Yes
• Grade Type: Performance
• Electrical Terminal Type: Non-Removable Nut
• Center Electrode Core Material: Copper
• Center Electrode Tip Material: Iridium
• Pre-Gap Size: .032
• Ground Electrode Quantity: 1
• Hex Size: 5/8" (16mm)
• Insulator Height: 1.99
• Manufacturer Heat Range: 8
• Seat Type: Flat
• Reach: 0.750
• Insulator Material: Ceramic
• Resistor Type: Yes
• Skirt Length: 0.0
• Ground Electrode Tip Material: Nickel
• Skirt: No
• Center Electrode Insulator Tip Projection: 0.12
• Center Electrode Design: Fine Wire
• Washer Type: Crush
• Center Electrode Projection: Mid Projection