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DENSO 5720 Iridium Racing Spark Plug

(Ford Fusion 2012, Escort 1997-2003; Mazda RX-7 1986-91, 1993-95; Buick Regal 1978-87; Mercedes-Benz SL550 2009, 2011-12, SL600 2009 + 3 more models)

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

5720
10 reviews
Sale Price

$31.99

In Stock (10+)

delivery box

Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The DENSO 5720 Iridium Racing Spark Plug represents the pinnacle of spark plug technology for serious performance enthusiasts and professional racing applications. This no-compromise racing plug is engineered to deliver maximum performance under the most demanding high-RPM, high-compression conditions.

Key Features:

  • Premium iridium center electrode for superior durability and consistent spark energy
  • Purpose-built design optimized for racing and extreme performance applications
  • Enhanced ignitability for improved throttle response and combustion efficiency
  • High thermal conductivity to withstand extreme cylinder temperatures
  • Precision-engineered electrode configuration for optimal spark formation
  • Superior resistance to fouling in modified high-performance engines

DENSO's racing spark plugs are developed using technology proven in motorsports competition worldwide. The 5720 is designed for dedicated racing vehicles and serious enthusiasts who demand the absolute best in ignition performance. This plug provides the reliability and consistency needed for maximum power output in competition environments.

Products specifications

Fits

Ford Fusion 2012, Escort 1997-2003; Mazda RX-7 1986-91, 1993-95; Buick Regal 1978-87; Mercedes-Benz SL550 2009, 2011-12, SL600 2009, SL63 AMG 2009, 2011-12, SL65 AMG 2009, 2011; Oldsmobile Achieva 1992-98

Pre-Gap Size

0.7

Ground Electrode Core Material

Nickel

Seat Type

FLAT

Ground Electrode Quantity

1

Center Electrode Tip Material

Iridium

Center Electrode Core Material

Copper

Ground Configuration

Slant

Thread Diameter

14.00

Resistance

5000

Manufacturer Heat Range

31

Reach

21.50

Ground Electrode Tip Design

Full Platinum

Hex Size

20.6

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!

The best price I could find and it arrived in 2 days! I'll be doing business again.

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

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

Really good prices and fast delivery.

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

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