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DENSO 5725 Iridium Racing Spark Plug

Part of: DENSO Iridium Racing Spark Plug

Other options in this family: DENSO 5749 DENSO 5751 DENSO 5750 DENSO 5754 DENSO 5731

Manufacturer

Picture for manufacturer DENSO

Part Number

5725
11 reviews
Sale Price

$41.14

In Stock (10+)

delivery box

Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

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Product Details

The DENSO 5725 Iridium Racing Spark Plug is a no-compromise, high-performance spark plug engineered for serious racing enthusiasts and competitive motorsports applications. Designed to deliver maximum performance under extreme conditions, this top-of-the-line racing plug represents DENSO's commitment to cutting-edge ignition technology.

Key Features:

  • Premium iridium construction for superior durability and performance
  • Optimized electrode design for consistent, high-energy spark delivery
  • Engineered specifically for racing and high-performance applications
  • Enhanced throttle response and combustion efficiency
  • Superior heat dissipation for sustained high-RPM operation
  • Extended service life even under severe racing conditions

This racing spark plug is designed for enthusiasts who demand the absolute best from their ignition system. The iridium construction provides exceptional wear resistance and maintains a sharp firing edge longer than conventional spark plugs, ensuring consistent performance throughout the racing season.

Products specifications

Ground Electrode Core Material

Nickel

Seat Type

FLAT

Ground Electrode Quantity

1

Pre-Gap Size

0.6

Center Electrode Tip Material

Iridium

Reach

22.00

Center Electrode Core Material

Copper

Ground Configuration

Slant

Thread Diameter

14.00

Resistance

5000

Manufacturer Heat Range

34

Ground Electrode Tip Design

Full Platinum

Hex Size

16.0

Great prices and quick shipping! They kept me informed of when the item was shipped also. Couldn't be happier!

easy to find what you are lokking for and fast shipping.

Good seller with good communication. Would buy from again.

Execellent retailer. Easy to buy from online. Got product quickly at a great price. I highly recommend!

This place was great. Great service they really helped mr out and were fast and extremely helpful.

Fast shipping! Great product! Muffler sounds amazing and will buy again!

My name is Doug Raber and I tell you the truth when I say autoplicity is a great site to shop for auto parts. The prices are low and the customer service is excellent.

Good transaction, no problems, fast ship, quality product. Thanks

Very easy. Tried O'Reilly's and that was a pain. I'm ordering from Australia.

Seller was quick and hasle free to deal with. Will purchase again from this seller.

They carried the parts i was looking for at an amazingly discounted price. I'm not dissapointed even though the initial ship took 5 days to begin. Per their note they do inform the customer of 1 day to process the order and another 3 "business days" to SHIP. Seems like in this age of instantaneous communications the lag should be dramatically less. Generally, a more robust processing center can ship same day if in the same time zone and order arrives before 2pm - a goal to shoot for! ;)

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