NGK 5238 V-Power Spark Plugs R5671A-9 - 4 Pack

The NGK 5238 V-Power Spark Plug (R5671A-9) is built for high-performance and racing applications, offering superior ignition under extreme engine conditions. With a fine-wire nickel electrode, solid copper core, and cold heat range, it ensures strong spark, detonation resistance, and consistent combustion at high RPM—perfect for drag racing and motorsport engines.

Features & Benefits:

🔧 V-groove design promotes efficient flame propagation
🔧 Copper core delivers superior thermal conductivity
🔧 Cold heat range supports high-compression, high-RPM use
🔧 Non-resistor design maximizes spark energy output

Specifications:

Brand & Part Number: NGK 5238 (R5671A-9)
Material: Nickel with Copper Core
Thread Size: 14mm
Reach: 19mm (0.75 in)
Hex Size: 5/8 in (16mm)
Heat Range: 9
Seat Type: Gasket
Resistor: No
Gap: 0.7mm (0.028 in)

Choose NGK R5671A-9 V-Power for consistent ignition, racing-grade durability, and peak engine performance under extreme conditions—order now!