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NGK 4554 Racing Spark Plug R5671A-11

Manufacturer

Picture for manufacturer NGK Spark Plugs

Part Number

4554
14 reviews
Sale Price

$6.76

In Stock (10+)

delivery box

Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The NGK 4554 Racing Spark Plug is engineered for high-performance racing applications where extreme durability and consistent ignition are critical. This professional-grade spark plug features NGK's advanced racing design to withstand the demanding conditions of motorsports and high-output engines.

Key Features:

  • Cold heat range design for high-compression racing engines
  • Solid terminal construction for maximum conductivity
  • Specially formulated insulator material resists thermal shock
  • Trivalent metal plating prevents corrosion and seizing
  • Precision-machined threads ensure proper installation and sealing
  • Engineered for maximum horsepower and throttle response

NGK racing spark plugs are trusted by professional racing teams worldwide for their consistent performance under extreme conditions. Each plug is manufactured to exacting tolerances to deliver reliable ignition cycle after cycle, even in the most demanding racing environments.

Products specifications

Stock Number

4554

Part Number

R5671A-8

Electrical Terminal Type

Non-Removable Nut

Manufacturer Heat Range

8

Ground Electrode Core Material

Nickel

Seat Type

FLAT

Center Electrode Tip Material

Nickel

Ground Electrode Quantity

1

Hex Size

5/8

Ground Configuration

Standard

Center Electrode Core Material

Copper

Resistance

1

Ground Electrode Tip Design

Standard

Reach

.75

Insulator Height

50.50

Pre-Gap Size

.032

Thread Diameter

14.00

Good service

Very satisfied with the product and service.

QUICK fast and easy

Good price easy transaction

easy

Awesome price and shipping time.

I was very impressed with the price and the speed in getting my purchase to me. I'm actually going to see if you have another product I'm looking for,maybe you have this as well ?I need your help to see if you have a Chrome Rim for the tire I just bought from you ? I need a 20" Chrome Rim for my 2006 Dodge Ram 1500 4.7 Crew Cab, to match the ones I have on my truck now.If you need to see a picture of it,I could send it to you,if this helps ! Sincerely, Peter Strickland

Got my tires in 3 days quick shipping was nice

Name brands, fast shipping, the best prices, it just doesn't get any better than this!

Had my product in stock and ready to go. Ordered it at about 1 p.m. eastern time and got an email saying it was shipped out a couple hours later. Can't beat that! Lowest prices I've seen and has plenty of products to choose from. I will be recommending Autoplicity to everyone and anyone.

Ordered two items where Autoplicity had the cheapest price and within a few days, it was shipped here as ordered in perfect shape. No hassles at all!

Price is awesome. Definitely the lowest around, even lower than Amazon.

Great pricing, but did take a while to ship. I believe this was due to the product being on backorder from the manufacturer.

Excellent--- fast response and shipping.

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