NGK 4179 DCPR8E Solid Standard Copper Core Spark Plug

The NGK 4179 (DCPR8E SOLID) standard spark plug is an OE-quality, resistor-type ignition plug for cars, motorcycles, powersports and other small-engine applications. It has a nickel alloy center electrode and a solid copper core. NGK's Standard line, sold in the familiar yellow box, is built for dependable everyday ignition performance. Use it as a direct replacement when your engine calls for an NGK DCPR8E.

Key Features:

• Solid copper core for heat dissipation, conductivity and a wide heat range
• Nickel alloy center electrode for consistent OE-style performance
• High-grade alumina silicate ceramic insulator for strength and dielectric performance
• Triple-gasket sealing to prevent combustion gas leakage through the shell
• Trivalent metal plating for corrosion and anti-seizing protection, which makes installation and removal easier
• Cold-rolled threads to help protect the cylinder head from damage
• Corrugated insulator ribs to help prevent flashover

Specifications:

• NGK plug number: DCPR8E SOLID (MPN 4179)
• Heat range: 8
• Thread diameter and pitch: 12mm x 1.25mm
• Reach: 19mm (3/4")
• Hex size: 5/8" (16mm)
• Seat type: Gasket
• Terminal type: Solid
• Pre-set gap: 0.028" (0.7mm)
• Type: Resistor
• Center electrode: Nickel tip with copper core

This plug works best in engines that came with OE nickel alloy plugs. It is not recommended for engines with factory precious metal plugs.