NGK Racing Series Plugs are Engineered to Withstand the Harshest Engine Conditions. Fine Wire Iridium Tipped Center Electrode and Fine Wire Platinum Tipped Ground Electrode Ensures Slow Wear Rate Providing Stable Idle, Superior Anti Fouling, Improved Fuel Efficiency and Lower Emissions. Special Insulator Nose Configurations Improve Throttle Response. Corrugated Ribs Prevent Flashover. Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer. Copper Core Aids in Heat Removal. Triple Seals Prevent Leakage. Plug Specifications: Thread Size: 14mm. Hex Size: 20.64mm. Reach: 21.5mm. Seat Type: Gasket. Terminal Type: Solid. Resistor: Yes.

More From This Category

MSD Spark Plug Wires, Copper, Silicone, Multi-Angle, 8.5mm Dia, Black, GM LS Engines, Set

MSD Spark Plug Wires, Copper, Silicone, Multi-Angle, 8.5mm Dia, Black, GM LS Engines, Set

$228.85

FAST FireWire 10 in. HEI Coil Wire

FAST FireWire 10 in. HEI Coil Wire

$20.30

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Multi-Angle Boots, GM, V8, Set

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Multi-Angle Boots, GM, V8, Set

$331.45

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Multi-Angle Boots, For Ford, 2.3L, L4, Set

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Multi-Angle Boots, For Ford, 2.3L, L4, Set

$226.75

FAST 25 Pack of 90 Degree HEI Spak Plug Boots and Terminals

FAST 25 Pack of 90 Degree HEI Spak Plug Boots and Terminals

$73.20

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Coil Pack, Stock Boots, For Ford, V6, Set

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Coil Pack, Stock Boots, For Ford, V6, Set

$278.78