Surface Gap Plugs are Nearly Immune to Pre-Ignition, and Usually Require a Special High Energy Ignition System. They Can be Susceptible to Fouling, Especially in Colder Applications, but May be Necessary in High Compression Applications. Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties. 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: 20.6mm. Reach: 21.5mm. Seat Type: Gasket. Gap: 1.4mm. Terminal Type: Solid. Resistor: Yes. Thread Pitch: 1.25mm.

More From This Category

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Stock Boots, For Chevrolet, Big Block, Marine, Set

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Stock Boots, For Chevrolet, Big Block, Marine, Set

$378.68

MSD Spark Plug Wire Set, Street Fire, GM Truck, 4.8L, 5.3L, 6.0L, Spark Plug Wire Set

MSD Spark Plug Wire Set, Street Fire, GM Truck, 4.8L, 5.3L, 6.0L, Spark Plug Wire Set

$125.49

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Stock Boots, For Ford, 3.8L, V6, Set

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Stock Boots, For Ford, 3.8L, V6, Set

$330.81

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Black, 90 Degree Boots, For Chevrolet/For GMC, Small Block, V8, Set

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Black, 90 Degree Boots, For Chevrolet/For GMC, Small Block, V8, Set

$378.68

NGK R5674-9, Spark Plug, Racing, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Non-Resistor, Each

NGK R5674-9, Spark Plug, Racing, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Non-Resistor, Each

$10.25