Autolite Copper Spark Plug 985 - Read 2 Reviews on Autolite Copper #985

Autolite Copper Spark Plug

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Part Number: 985
Features & Benefits

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed ors design requirements. Consider upgrading to Autolite platinum, double platinum or iridium XP plugs for improved engine performance. Copper Core plugs are the industry standard. Autolite is an official NASCAR performance partner.

  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of "flash-over
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Cold-formed steel shell precision rolled threads
  • Full Copper Core electrode provides better performance in all conditions
Product Details
Part Number: 985
Weight: 0.1lbs
Center Electrode Core Material: Copper
Center Electrode Design: Standard / Regular
Center Electrode Tip Material: Copper
Drive Size: 5/8 in
Ground Electrode Tip Material: Copper
Insulator Material: Ceramic
Insulator Type: Projected
Package Quantity: 1
Reach (in): 0.75
Resistor: Yes
Seat Style: Gasket
Thread Size: 14mm X 1.25
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
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    Autolite Copper/Spark Plug

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    5

    This review is hidden because you have chosen to ignore Member 496819123. Show DetailsHide Details

    Great plugs!

    2 of 2 people found this helpful

    I got a (new) used 99 TJ 4 cyl 2.5 L. It seemed to be running ok but I was getting it ready for a trip so I wanted it to be right. Based on the previous review here, I bought these. After installation I immediately noticed a better response to starting up and throttle was a lot smoother, as was the idle. In addition, it seems like I got improved performance. Second gear wasn't as sluggish. Not sure about fuel mileage yet. I've yet to check that. But so far, these plugs are great. I left the gap at .35 Oh yeah, I had Champions in it prior to these and they appeared relatively new. Accolades to these plugs. All the new tech platinum, multipoint and other "feature rich" plugs seem to be more particular and may actually cause issues. So it seems the old single node plug works well in this engine.

    Pros: Good ignition response

    Cons: None seen

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    5

    This review is hidden because you have chosen to ignore Member 244141871. Show DetailsHide Details

    Reliable, good price.

    9 of 9 people found this helpful

    For a 4.0L 6 cyl jeep engine, faster starts. Good engine response. Tried a few diff Bosch models, 2 and 4 electrode which didn't have strong enough spark and small clearance cause fouling in less than a day. But, these copper autolite work well in my jeep engine!

    Pros: good performance, great price, reliable

    Cons: don't have any cons.

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    Edited on 2/15/2014 by Editor

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    This part DOES NOT fit your selected vehicle.
    1999 Ford Truck F350 Super Duty P/U 2WD 5.4L FI SOHC 8cyl
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