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Set of 8 NGK R5671A7 4091 NGK V-Racing Spark Plugs
SKU NGK-4091-8PK-B-EB

Set of 8 NGK R5671A7 4091 NGK V-Racing Spark Plugs

by NGK
Availability:
in stock, ready to be shipped
$43.77 - $43.77
$43.77
$43.77 - $43.77
$43.77

The NGK 4091 V-Power Racing Spark Plug (R5671A-7) is engineered for extreme performance in racing and high-horsepower engines. With a projected tip design, solid copper core, and cold heat range, it delivers superior ignitability, detonation resistance, and consistent combustion under high RPM and extreme pressure conditions.

Features & Benefits:

🔧 V-Power design enhances ignitability and flame propagation
🔧 Cold heat range ideal for high-compression, high-RPM engines
🔧 Copper core provides excellent thermal conductivity
🔧 Non-resistor racing design for maximum spark energy

Specifications:

Brand & Part Number: NGK 4091 (R5671A-7)
Material: Nickel with Copper Core
Thread Size: 14mm
Reach: 19mm (0.75 in)
Hex Size: 5/8 in (16mm)
Heat Range: 7
Seat Type: Gasket
Resistor: No
Gap: 0.7mm (0.028 in)

Choose NGK R5671A-7 V-Power Racing Spark Plugs for peak ignition performance, durability, and reliability in your competition engine—trusted by racers worldwide!