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E3 Spark Plugs E3 Spark Plug 14mm

368-E3.42


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E3 Spark Plug 14mm
$5.52
$4.69
SAVE $0.83
More than 10 available
E3 Spark Plug
  • Resistor: Resistor
  • Hex Size: 5/8"
  • Thread Reach: 0.460"
  • Thread Diameter: 14mm
  • Seat: Taper
  • Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted
  • 1/pkg
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    E3.42 is rated 5.0 out of 5 by 14.
    Rated 5 out of 5 by from Waiting to see how they perform. Haven't tried them yet, truck down for restorations, description sounded awesome though, but I was sent wrong plugs, oh well I will still use em.
    Date published: 2022-01-16
    Rated 5 out of 5 by from 25% increase in MPG Exactly like Ron Capps says...these things will spark!!! I have a 1981 C-3 Vette (new to me)....ran a few tanks of gas through it and was seeing a tick over 14 MPG......changed the plugs only.....wires maybe next week.....after two tanks now seeing a tick over 17 MPG!!!!!
    Date published: 2019-08-23
    Rated 5 out of 5 by from Spark plug Bought the E3 plugs for my built 350 that had short reach plugs when I bought it , can tell the difference since to have more pick up at low to mid range
    Date published: 2018-04-10
    Rated 5 out of 5 by from Great Plugs I bought these for replacement plugs for my truck and am glad I did. They have helped greatly with more power and better fuel mileage.
    Date published: 2018-01-01
    Rated 5 out of 5 by from Super Seller Just another smoooooth JEGS transaction. Am using E-3.42 spark plugs on both of my vehicles.
    Date published: 2017-10-18
    Rated 5 out of 5 by from A great buy I recommend it to any one .i notice the difference once i put them in my gas hand did move like it used to move. And now it get up n move. A great buy
    Date published: 2017-07-30
    Rated 5 out of 5 by from E3 plugs rock Have them in two different vehicles and am happy with the performance of both.
    Date published: 2016-12-15
    Rated 5 out of 5 by from I can't believe the difference these plugs make. I can feel the difference in power these plugs make over the other (Autolite) plugs. I have used E3 in the past, but the new style is much better. I am putting these in all my pickups.
    Date published: 2016-10-03
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    What is the right plug for a 355c.i.(350 bored .040) Chevy with 11.25-1 Compression, .670 Roller Camshaft, 800 cfm Hollley Carb, Headers, open plenum manifold

    Asked by: dansodomin
    This will depend on the cylinder head you are using. many aluminum heads use a gasket type flat seat spark plug, while many cast iron heads use this tapered seat style plug.
    Answered by: Rusty B
    Date published: 2024-07-09

    What e3 plug is the right one for my dodge 2011 journey Main Street  6 cyl

    Asked by: Joaquin57
    E3 is working on a plug for your Dodge, but does not have it available yet, please check back.
    Answered by: Rusty B
    Date published: 2018-10-05

    Do they make a shorty design plug for 400 small block chevy

    Asked by: Tsseay
    No, they do not have a shorty style plug in this series.
    Answered by: Rusty B
    Date published: 2018-04-26

    which E3 plug is the best for a 2008 scion XB?

    Asked by: Big Dal
    The correct plug for your application is - Part Number: 368-E3.56
    Answered by: Rusty B
    Date published: 2017-11-01
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