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  See more parts for Chevrolet C10 Suburban
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MSD Iridium Spark Plug - 3717
MSD Iridium Spark Plug - 3717 - Image 2 MSD Iridium Spark Plug - 3717 - Image 2
MSD's spark plugs are engineered to improve the efficiency of the combustion process to create the most power possible combined with increased durability. The center tip of the plug is made from iridium to promote the best spark and increase resilience. A proprietary ceramic material enhances the dielectric strength of the plug housing forcing the spark, even under extreme cylinder pressures, to jump across the plug gap to the ground electrode. This electrode is machined to expose more spark to the incoming gases to promote the most effective combustion event possible.

Features:
  • Proprietary plug design inside and out
  • Designed for use on high performance vehicles that utilize high output ignition systems
  • Machined electrode increases exposure to the flame to improve combustion
  • MSD's proprietary ceramic formula provides the highest dielectric strength
  • Yttrium ground electrode reduces the chance of pre-ignition
  • Iridium tip improves cold starts
  • All spark plugs tested prior to packaging and shipping
  • Unique insulator design improves spark isolation
  • Lower voltage Requirements for longer coil life
Specifications:
  • Brand: MSD
  • Heat Range: 7
  • Hex Size: 45551
  • Length: Standard
  • Plug Style Code: 4IR7Y
  • Product Type: Spark Plug
  • Projected Tip: Yes
  • Quantity: 1
  • Reach: 1.0625
  • Resistor: Yes
  • Seat Type: Tapered
  • Style: Iridium
  • Thread Size: 12mm
  • Warranty: Limited 1 Year Warranty


Other Part Numbers:
MSD Ignition #MSD-3717

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Chevrolet C10 Suburban 1977 Silverado
Chevrolet C10 Suburban 1977 Scottsdale
Chevrolet C10 Suburban 1977 Custom Deluxe
Chevrolet C20 Suburban 1977 Silverado
Chevrolet C20 Suburban 1977 Custom Deluxe
Chevrolet C20 Suburban 1977 Scottsdale
Chevrolet K10 Suburban 1977 Custom Deluxe
Chevrolet K10 Suburban 1977 Silverado
Chevrolet K10 Suburban 1977 Scottsdale
Chevrolet K20 Suburban 1977 Silverado
Chevrolet K20 Suburban 1977 Scottsdale
Chevrolet K20 Suburban 1977 Custom Deluxe
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MSD Ignition Banner

Who is MSD Ignition?

MSD Ignition started back in 1970. Based in El Paso Texas, the company is known for creating quality ignition systems for various automobiles. Today, they are considered the leading company when it comes to the ignition system and has become a brand recognized all over the world.

Changing the Way Vehicles are Made

MSD has helped shape the automotive industry by being the first company in the world to conduct an experiment regarding Multiple Spark Discharge for a vehicle’s ignition system. It has been suggested by Engineers who were working on the White Sands Missile Range in Southern Mexico. They noticed that their quest for power is limited by the amount of spark the ignition system can only generate. Hence, the idea of Multi Spark Discharge.

Racing Application

Soon after the product introduction, racers started applying it to their race cars. Due to its success, other top teams started using MSD which helped paved the way for the brand’s popularity. The majority of the race engines today use MSD and have proven to produce race champions.

The company operates in a 100,000 square feet facility in Texas. They house some of the most state-of-the-art equipment that helps them create products that are superior in quality.

Purchase MSD Ignition Products at Vivid Racing

If you are in search of the best ignition system available in the market, then MSD is the brand for you. Tested by many enthusiasts and racers for years, MSD has proven to provide optimum performance in every vehicle.




MSD warrants this product to be free from defects in material and workmanship under its intended normal use*, when properly installed and purchased from an authorized MSD dealer, for a period of one year from the date of the original purchase. This warranty is void for any products purchased through auction websites. If found to be defective as mentioned above, it will be repaired or replaced at the option of MSD. Any item that is covered under this warranty will be returned free of charge using Ground shipping methods.

This shall constitute the sole remedy of the purchaser and the sole liability of MSD. To the extent permitted by law, the foregoing is exclusive and in lieu of all other warranties or representation whether expressed or implied, including any implied warranty of merchantability or fitness. In no event shall MSD or its suppliers be liable for special or consequential damages.

Intended normal use means that this item is being used as was originally intended and for the original application as sold by MSD. Any modifications to this item or if it is used on an application other than what MSD markets the product, the warranty will be void. It is the sole responsibility of the customer to determine that this item will work for the application they are intending. MSD will accept no liability for custom applications.

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