MSD Spark Plug Iridium Set 170/200/289/302/351W/428

MSD:
3744
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MSRP $79.92
$57.99
You save 27%

Set of Eight MSD Iridium Spark Plugs for 170, 200, 289, 302, 351W or 428 Engine.

Are you trying to get the most power to your vintage Mustang's engine? Looking for something that would be quick and simple to install and not cost an arm and a leg? Look no further! MSD's 3744 Iridium Spark Plugs offer a premium quality spark plug that won't corrode but will improve the overall power of your ignition system.

Features and Benefits:
- Engineered to improve the efficiency of the ignition system to create the most power possible
- Set includes eight individual spark plugs
- Engineered and designed specifically for use on performance engines
- Plugs are machined to expose more spark to the incoming gases, which promotes the most effective combustion event possible
- MSD's Iridium Spark Plugs last longer than an average copper plug
- Zinc-Nickel coated shell resists corrosion
- Easy direct-fit installation

MSD has created the best possible spark plug for your restored Mustang's ignition system. These performance spark plugs are engineered to improve the efficiency of the combustion process to create more power combined with increased durability. The center tip of these plugs are made from iridium to promote the best spark and increase resilience.

MSD's proprietary ceramic material enhances the dielectric strength of the plug housing, forcing the spark 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.

*This set of eight MSD Iridium Spark Plugs exclusively fit 170, 200, 289, 302, 351W or 428 engines.

Order a Set of Eight MSD 3744 Iridium Spark Plugs for your 170, 200, 289, 302, 351W or 428 Engine from CJ Pony Parts today!

Vehicle Fitment

This product will fit the following Bronco years:

This product will fit the following Mustang years:

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The description states that this is an 8 pack, but the picture of the box, says 4 pack. Which is it?

Asked by: Jersey Beachbum
You would receive two packs of four.
Answered by: rk cjpp
Date published: 2019-08-27

Is this set will fit for 1968 fastback GT 390?

Asked by: Louiskim
The vendor has not provided any information regarding cross-fitments of this part to any other model then what is listed.
Answered by: jmg1
Date published: 2019-02-11

Will this this set fit for my 1966 Mustang 347?

Asked by: JanA
It depends on the type of heads that are on the engine. Please call toll free at 1-800-88806473 and speak with a sales rep.
Answered by: rk cjpp
Date published: 2017-05-26

Is this part good for mustang 66 6 cyl? I ordered it.

Asked by: Tzion66
Yes.
Answered by: CJPP Dave
Date published: 2016-10-20
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