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E3 E3.66 DiamondFire Spark Plug - Direct fit
Part #: PYRE366 | Mfr #: E3.66
Ships out in 1-2 business days
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5 out of 5 stars
(4 customer reviews)
- Overview
- Related Products
- Series: E3 DiamondFire
- Product Fit: Direct fit
- Quantity Sold: Sold individually
- Electrode Core Material: Copper
- Plug Type: Resistor
- Product Class: Fuel saver
- Anticipated Ship Out Time: 1-2 business days
- Electrode Tip Material: Nickel alloy
- Gap Size: 1.016 mm
- Reach: 25.4 mm
- Thread Size: 14 mm
- Warranty: 5-year or 100,000-mile E3 limited warranty
Product reviews
most un-regrettable purchase ever by zebode, January 31, 2013
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before i bought the E3 spark plugsmy vehicle use to consume more fuel drugjerkfeel heavy like i was driving a heavy duty truck.it also use to have a time lag when the accelerator was pressed. Nowits lighthas more powerno time lag and does not jerk or drug and consumes less fuel.
great plug by rich, June 12, 2012
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I put these plugs in my truck about 1 year ago and now there is no other plug I will use you get more miles per gal and more power to use any other you should have your head ex-ray
Best Sparkplugs by , January 3, 2011
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I just recently change my wifes Mazda Tribute's spark plugs with these E3's and I love them. The car got another 4 mpg and I noticed an increase in power!
works like a charm by gabe, April 29, 2009
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made my car run better and faster you can really feel the difference.


