The NGK 6596 V-Power Racing Spark Plug (R5671A-11) is engineered for extreme performance in high-compression, high-RPM engines. Featuring a fine-wire nickel alloy electrode and solid copper core, it delivers superior combustion efficiency, excellent heat dissipation, and detonation resistance—ideal for drag racing, circle track, and other motorsport applications.

Features & Benefits:

🔧 V-groove electrode promotes efficient flame propagation
🔧 Copper core ensures optimal heat transfer under extreme conditions
🔧 Cold heat range supports high-performance, high-boost engines
🔧 Non-resistor design maximizes spark energy for racing use

Specifications:

Brand & Part Number: NGK 6596 (R5671A-11)
Material: Nickel with Copper Core
Thread Size: 14mm
Reach: 19mm (0.75 in)
Hex Size: 5/8 in (16mm)
Heat Range: 11
Seat Type: Gasket
Resistor: No
Gap: 0.7mm (0.028 in)

Choose NGK R5671A-11 V-Power Racing Spark Plug for race-proven ignition performance, extreme reliability, and consistent power in your competition engine—order now!