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 Ignition Wire Spool, 8.50mm, 6 ft. Length, Black, Each

MSD Ignition Wire Spool, 8.50mm, 6 ft. Length, Black, Each

$75.42

MSD Distributor Boots and Terminals, Gray, HEI, 90 Degree Boots, Pair

MSD Distributor Boots and Terminals, Gray, HEI, 90 Degree Boots, Pair

$27.53

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

MSD Distributor Boots, Gray, Female Socket, 8.5mm, 90 Degree Boots, Set of 100

MSD Distributor Boots, Gray, Female Socket, 8.5mm, 90 Degree Boots, Set of 100

$303.75

FAST FireWire 40 in. Coil Wire Kit

FAST FireWire 40 in. Coil Wire Kit

$37.28