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NGK Spark Plugs R5671A-10 Racing Non-Resistor Spark Plug 14mm x 3/4 in. Reach

739-R5671A-10


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R5671A-10 Racing Non-Resistor Spark Plug 14mm x 3/4 in. Reach
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$5.69
More than 10 available
Racing Non-Resistor Spark Plug
  • 14mm x 3/4 in. Reach
  • 5/8 in. Hex
  • Gasket seat
  • V-groove center electrode
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    R5671A-10 is rated 3.7 out of 5 by 6.
    Rated 5 out of 5 by from Great spark plugs Been using these spark plugs for our nitrous assisted 738ci 3 systems
    Date published: 2016-06-17
    Rated 5 out of 5 by from Plugs are good Bought these from Jegs found out that I could buy them local from O'Reilly's for about a dollar cheaper each. That's with a racer discount
    Date published: 2015-09-22
    Rated 5 out of 5 by from Spark plug purchase I bought these to replace autolite plugs that I've used for years after having two bad brand new sets and an inventory of them going in the trash...can't trust them since they moved there manufacturing to mexico
    Date published: 2015-09-01
    Rated 1 out of 5 by from Not sure I ordered a couple weeks ago and still haven't arrived. I don't know how to rate a product I don't have yet. I guess try me back in another week. I'm sure my plugs and wires should be here by then. At least I hope. I guess I should have gotten priority delivery.
    Date published: 2018-03-23
    Rated 1 out of 5 by from Defective 14mm thread is oversize and will not fit into sparkplug holes
    Date published: 2017-12-11
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    Which way do the Numbers go to indicate hot or cold plug?

    Asked by: Dick K
    The lower the number at the end the hotter the spark plug
    Answered by: Rusty B
    Date published: 2020-07-21
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