Best Copper Core Spark Plug

NGK 3108 Standard Spark Plug - DPR6EB-9, 1 Pack

98% pure copper core increases heat dissipation for more reliable starts and prevents spark plug from overheating.
High-grade alumina silicate ceramic insulator for superior strength and heat transfer.
Cold-rolled threads to prevent cross-threading and damage to cylinder heads.
Trivalent plating eliminates need for anti-seize and corrugated ribs prevent flashover.

98% pure copper core increases heat dissipation for more reliable starts and prevents spark plug from overheating.
High-grade alumina silicate ceramic insulator for superior strength and heat transfer.
Cold-rolled threads to prevent cross-threading and damage to cylinder heads.
Trivalent plating eliminates need for anti-seize and corrugated ribs prevent flashover.

98% pure copper core increases heat dissipation for more reliable starts and prevents spark plug from overheating.
High-grade alumina silicate ceramic insulator for superior strength and heat transfer.
Cold-rolled threads to prevent cross-threading and damage to cylinder heads.
Trivalent plating eliminates need for anti-seize and corrugated ribs prevent flashover.

98% pure copper core increases heat dissipation for more reliable starts and prevents spark plug from overheating.
High-grade alumina silicate ceramic insulator for superior strength and heat transfer.
Cold-rolled threads to prevent cross-threading and damage to cylinder heads.
Trivalent plating eliminates need for anti-seize and corrugated ribs prevent flashover.

Patented SAC-9 semi-conductor resistor for maximum EMI & RFI suppression.
Copper core center electrode allows for accurate control of heat range for longer life.
TinTac and ULTRASEAL shell for best corrosion protection of any spark plug in the industry.

Premium Materials: Coils are made from high quality isolating epoxy, copper wires imported from Germany, stainless steel spring with ferrite core.
Fiberglass braid and carbon impregnated fiberglass core of Spark Plug Wires for added strength and superior conductivity.
Replacement Coils Pack Part Number: D585, E254, E254P, C1251, UF262, IC413, IC41310457730, GN10119,5C1082, 245262, 247733, 521647, 10457730, 12563293, 19005218, 8104577300.
To avoid fitment issue: DO NOT only check the vehicle type, because the same vehicle type may use different shapes of coils, ROUND or SQUARE. To avoid fitment issue, you also need to look in your engine compartment to double check the coil shape. These ignition coils are ROUND!.
Round Ignition Coils Fitment: Perfect for Chevrollet GMC Buick Isuzu Cadillac 4.8L 5.3L 6.0L 8.1L V8.
Please double check for the fitment details in the descriptions and part number, and make sure your original coils is round type before purchasing..
Complete Ignition Coils Pack: 8 Pieces D585 ignition coils + 1 Set Spark Plug Wires (8pcs) + 1 Set Wire Separator Loom.

Tapered-cut ground electrode improves ignitability and reduces quenching.
98% pure copper core increases heat dissipation for more reliable starts and prevents spark plug from overheating.
High-grade alumina silicate ceramic insulator for superior strength and heat transfer.
Iridium is six times more durable than platinum.
Quantity: 1 per package. Triple seals prevent leakage.

One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life.
Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system.
Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance.
Some ACDelco GM Original Equipment parts may have formerly appeared as ACDelco Professional.

Heavy Duty Yttrium-Enhanced Center Electrode with Copper Core Provides Superior Reliability and Durability.
Tapered Cut Nickel Chromium Ground Electrode Assists in Cold Weather Starts and Provides Increased Ignitability.
Nickel-Plated Rolled Threads Provide Anti-Seize and Corrosion Protection.
Metal Glass Fused Resistor Gives Maximum Interference Suppression.
Angular, 5-Rib Insulator Design Prevents Flashover.

Genuine Vms Racing (Not Generic) High Performance Spark Plug Wire 10.2mm Spiral Core Set - comes in Vms Racing Brand Box.
100% Pure Silicone Spark Plug Wire outer core with a Kevlar Inner Core for the ultimate in strength and heat resistance. Low Impedance Spiral Core for the Ultimate in Conductivity.
10.2mm Thick Wires with 100% Pure Silicone insulating material. Wire Jacket is made of Tc-1500-Hs high strength Aerospace Silicone Rubber for Heat Resistance and durability. These wires will withstand 600 Degree of Heat! Works Great With Headers! Aramid Stainless Steel Fiber Core for Peak Electrical Conductivity and Static-free reception. Manufactured to work best With Iridium or Platinum plugs for peak horse power..
Hands-down, the thickest and best ignition spark plug wire set available. Stainless Steel Snap Lock Terminals. Exclusive Triple-Crimped at the Plug End. Bonded and Sealed Boots to prevent moisture and pull-out when removing wires. Low Resistance with Impeccable Rfi and Emi Suppression. No More Pulling The Plug Boot and the Terminal Ripping Out of the Wire!.
Compatible with MX-5 MX5 MX 5 1.6L 1.8L 1.6 1.8 L Liter Litre B6ZE RS BP DOHC I4 Supercharged Supercharger Generation Gen 1 2 RC-ZE21 REZE21 9160 NA NB (until 2000) Eunos Roadster B61P18140A....