4 Pack NGK V-Power 5820 Spark Plugs R5671A-10 ps

The NGK 5820 V-Power Spark Plug (R5671A-10) is designed for high-performance and racing engines requiring reliable ignition under extreme conditions. Featuring a fine-wire nickel electrode, solid copper core, and cold heat range, it delivers superior combustion, detonation resistance, and durability at high RPM—ideal for competition use.

Features & Benefits:

🔧 V-groove design enhances flame kernel growth and ignition
🔧 Copper core ensures maximum heat transfer and spark energy
🔧 Cold heat range supports high-compression, high-RPM engines
🔧 Non-resistor design for full spark efficiency in race applications

Specifications:

Brand & Part Number: NGK 5820 (R5671A-10)
Material: Nickel with Copper Core
Thread Size: 14mm
Reach: 19mm (0.75 in)
Hex Size: 5/8 in (16mm)
Heat Range: 10
Seat Type: Gasket
Resistor: No
Gap: 0.7mm (0.028 in)

Choose NGK R5671A-10 V-Power for race-proven ignition performance, extreme reliability, and consistent power in your high-performance engine—order now!