Home / NGK 5238 V-Power Spark Plugs R5671A-9 - 8 Pack
NGK 5238 V-Power Spark Plugs R5671A-9 - 8 Pack
$70.77
Free shipping on all orders.
Qty In Stock: 20
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!
Shipping Info
Free shipping on every US order. In-stock parts typically ship within 1 business day from Texas.
Returns
30-day returns on unused parts in original packaging. Wrong or defective items are replaced or refunded. See the return policy.
How do I confirm this part fits?
Match the brand and part number to your vehicle, or use the Parts Finder on the homepage. Contact us before ordering if you are unsure.
Are these parts new?
Yes. TXN Supply Co sells new parts from trusted OEM-quality brands — not remanufactured cores.
How fast will my order ship?
In-stock orders ship within 1 business day. Delivery time depends on your ZIP; most US addresses arrive in 2–5 business days.
What is your return policy?
Unused items can be returned within 30 days in original packaging. Customer-initiated returns may include a restocking fee and return shipping.