PRODUCT OVERVIEW:- NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialistâ„¢. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to
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Product Description

PRODUCT OVERVIEW:
- NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialistâ„¢. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.

PRODUCT INFO:
- NGK Racing Spark Plug Box of 4 (R5671A-8)
- RACING USE
- Spark Plug

ITEM DESCRIPTION:
-Shell
Thread Diameter: 14mm
Thread Pitch: 1.25mm
Seat Type: Gasket
Reach: 19mm (3/4")
Hex Size: 5/8" (16mm)
Terminal Type: Solid
Overall Height: ISO
Gap: .031" (0.8mm)

-Center Electrode
Material: Nickel
Type: V-Cut
Size: 2.5mm
Projection: Non-Projected

-Ground Electrode
Material: Nickel
Type: Standard
Quantity: 1

-Specifications
Resistor: No
Resistor Value: 1k Ohm
Heat Range: 8
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

MANUFACTURER PART NUMBER:
- 4554

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WHY CHOOSE US?

  • FAST DELIVERY
  • PERFECT FIT
  • FREE RETURNS
  • 24/7 CUSTOMER SUPPORT
  • 1 YEAR LIMITED WARRANTY

We have multiple logistic warehouses strategically located across the US to deliver items at the shortest possible time.

We specialized in OEM replacement auto parts retail and wholesale. Our experience support team has a 24 hrs message response time to help you with pre or post sales questions.

Free shipping across the contiguous 48 United States (excludes Hawaii and Alaska). Item(s) ships on the same day or within 1 business day. Delivery time is within 1 to 7 days for most US locations.

Please contact us BEFORE initiating a return so we can try to resolve any problems. To contact us, go to "My eBay", "Purchase History", find the order and select "Contact seller", which may be under "More actions". You must contact us via eBay's messaging system or email us directly to obtain an RMA within 30 days of the order delivery date. This item includes an item with zero restocking fee if returned within 30 days of the delivery date, in original packaging. All carrier-related damage or loss claims must be made with the carrier within 48 hours of item receipt.

All AutoApex products come with a 1-year limited warranty. In the event of an equipment failure due to a manufacturing defect, the merchandise might be eligible for an exchange with AutoApex. The warranty only covers the light assembly -it does not cover the bulbs inside the assembly. Feel free to contact us regarding any questions or issues.

WE VALUE YOUR FEEDBACK
We pride ourselves on delivering quality parts and exceptional service, but we believe our greatest driving force is you—our customers. Your feedback and ratings guide everything we do, helping us improve, innovate, and ensure that every experience exceeds expectations. We're committed to listening, learning, and evolving with your needs, because your voice steers our journey forward.
★★★★★
Exactly as described and pictured. Well packaged. Quick shipping. Would buy again. A++
★★★★★
just like OEM quality, New as described, Great value for the price, looks great, fits good, arrived faster than scheduled.
★★★★★
It was exactly what I wanted. Perfect fit and works great. Would recommend the seller
★★★★★
Very awesome to deal with!! I would highly recommend buying from this seller!!
★★★★★
Fit perfectly! Works great! Shipped and arrived quickly! I will definitely purchase from them again.
★★★★★
Very good seller, friendly and can solve any problem. Nice quality of the part. Quick delivery and very good discounts. Save this seller for future purchases. Thank you Auto Apex Parts