Spark Plugs

Spark plugs ignite the air-fuel mixture in your engine's cylinders, making them one of the most critical components for reliable starting, smooth idling, and optimal fuel efficiency. Whether you're performing routine maintenance, chasing an elusive misfire, or building a high-compression forced-induction engine, the right plug makes a measurable difference.

This collection brings together spark plugs for a wide range of applications, from daily-driven commuters to dedicated race cars. Use the filters to narrow by thread size, reach, and heat range, or browse by electrode material:

  • Copper – Excellent conductivity, ideal for older engines and performance applications where frequent changes are acceptable.
  • Platinum – Long service life and consistent performance, commonly specified for modern engines with high-energy ignition systems.
  • Iridium – Extremely hard, fine-wire center electrode reduces voltage requirements and extends change intervals, often found in late-model and high-output engines.
  • Double Platinum / Double Iridium – Enhanced durability for waste-spark ignition systems, with precious metal on both electrodes.

When selecting a plug, verify the manufacturer's recommended heat range and gap setting. A plug that's too cold may foul during low-speed driving, while one that's too hot can lead to pre-ignition and engine damage. All plugs in this collection meet or exceed OEM specifications for durability and performance, giving you confidence with every ignition cycle.

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NGK LR8B Standard copper core spark plug with trivalent metal plating and corrugated ribs, box of 10.

$124.80

In stock
Set of four NGK R5671A-10 racing spark plugs with nickel finish and corrugated ceramic ribs.

$69.52

In stock
Set of four NGK Laser Iridium spark plugs with IFR7F-8DS part numbers and trivalent metal plated shells.

$147.00

Low in stock
Four NGK V-Power BKR7E-11 spark plugs with V-cut nickel electrodes and white ceramic insulators.

$33.92

In stock
Set of four NGK Laser Iridium ILZKR7B-11S spark plugs showing the iridium tip and trivalent plated threads.

$152.32

Low in stock
Set of four NGK BUR9EQ traditional spark plugs with trivalent plating and white alumina silicate ceramic insulators

$102.20

In stock
Set of four NGK Laser Iridium IMR9C-9HES spark plugs featuring white ceramic insulators and trivalent metal plating.

$153.96

In stock
Set of four NGK Laser Platinum PFR6X-11 spark plugs featuring corrugated ceramic ribs and platinum center electrodes.

$134.28

Low in stock
Four NGK BR9ES Traditional spark plugs with white ceramic insulators and copper cores

$32.76

In stock
Set of four NGK Iridium IX BCPR7EIX spark plugs featuring the fine-wire iridium tip and silver trivalent plating.

$90.60

In stock
NGK Standard series CR8EH-9 spark plug with copper core and yellow manufacturer packaging, 10-pack box.

$270.90

In stock
NGK DP7EA-9 Standard Spark Plug with nickel alloy tip and trivalent metal plating in a box of 10.

$80.30

In stock
Box of 4 NGK PFR7W-TG Laser Platinum spark plugs featuring a multi-ground electrode and copper core.

$156.44

Low in stock
NGK BKR6ES-11 traditional spark plug featuring a nickel alloy tip, corrugated ceramic insulator, and trivalent metal plating.

$30.64

In stock
Set of four NGK Iridium IX spark plugs with fine wire iridium center electrodes and trivalent metal plating.

$90.60

Low in stock
Four NGK BPR7ES Traditional Spark Plugs with yellow box packaging featuring copper core and trivalent plating.

$32.60

In stock
NGK Standard Spark Plug DPR6EA-9 showing the nickel alloy electrode, trivalent plating, and white ceramic insulator.

$81.50

In stock
NGK R7420-10 Racing Spark Plug with trivalent metal plating, corrugated ribs, and ceramic insulator.

$491.92

Low in stock
Box of 4 NGK Laser Iridium spark plugs (ILTR5D) showing the iridium center electrode and ceramic insulator.

$107.20

Low in stock
Set of four NGK Iridium IX spark plugs showing the fine-wire center electrode and trivalent metal plating.

$90.60

In stock
Set of four NGK BR8ES nickel alloy spark plugs with signature yellow NGK packaging.

$32.76

Low in stock
Set of four NGK Laser Iridium spark plugs featuring silver trivalent plating and white ceramic insulators.

$144.68

Low in stock
Set of four NGK Laser Iridium IZFR6K-11S spark plugs with iridium-tipped center electrodes and trivalent metal plating.

$142.76

Low in stock
Set of four NGK BUR9EQP Laser Platinum spark plugs featuring white ceramic insulators and specific rotary electrode design.

$101.40

In stock
Set of four NGK Racing R5671A-9 spark plugs with silver shells and white ceramic insulators.

$69.52

In stock
A box of 10 NGK Standard Spark Plugs model DPR7EA-9 in yellow packaging with nickel alloy and copper core construction.

$81.50

In stock
Set of four NGK BR7ES traditional spark plugs with yellow packaging, featuring nickel alloy electrodes and copper cores.

$32.60

In stock
NGK Laser Platinum PLZKAR6A-11 spark plug featuring a platinum tip and trivalent metal plating.

$130.64

Low in stock
NGK B7HS Standard nickel alloy spark plug with copper core and trivalent metal plating, box of 4.

$32.12

In stock
Set of four NGK Iridium IX spark plugs LZTR7AIX-13 featuring fine wire iridium center electrodes.

$90.60

In stock

Can’t Find the Part You Need?

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