2 Pack NGK Spark Plug - For Sportster Custom 53 Harley-Davidson

The NGK 5129 Spark Plug (DPR7EA-9) is a high-performance copper-core plug designed for Harley-Davidson motorcycles, offering reliable ignition, strong combustion, and excellent heat transfer for smooth-running V-twin engines.

Features & Benefits:

🔧 Copper core provides optimal spark energy and heat dissipation
🔧 Nickel alloy electrode resists wear and carbon buildup
🔧 Trivalent metal plating protects threads from corrosion
🔧 Built to handle vibration and high-load engine cycles

Specifications:

Brand & Part Number: NGK 5129 DPR7EA-9
Material: Copper
Thread Size: 12mm
Reach: 19mm (0.75 in.)
Hex Size: 18mm (11/16 in.)
Seat Type: Gasket
Resistor: Yes
Gap: 0.036 in. (0.9mm)

Choose NGK DPR7EA-9 for strong, reliable ignition and lasting performance in your Harley-Davidson—order now!