U-Groove Spark Plug; Header Plug
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Accel U-Groove Spark Plug; Header Plug

Part No. 8199 Warranty Details  

See if this part fits a specific vehicle.

Check Vehicle Fit

ACCEL U-groove performance spark plugs produce a larger spark for more power at high RPMs. Improves throttle response and fuel economy, less fouling. Purified alumina insulator prevents arcing. Machine rolled threads protect heads. 060 gap.

Product Features:
  • Header-Box
  • U-Groove Ground Electrode
  • Five-Rib Aluminum Insulator
  • Copper Core Nickel/Chrome Steel
  • Electric Heat Seal
  • Copper-Glass Gas-Tight Seal
  • Less Flame Dissipation
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Center Electrode Core Material:Copper
Electrode Core Material:Copper nickel alloy
Electrode Tip Material:Projected Tip
Ground Electrode Core Material:Nickel Alloy
Ground Electrode Quantity:1
Hex Size:5/8
Insulator Type:Projected
Length:2.64
Manufacturer Heat Range:Hot
Resistor:Yes
Resistor Type:Resistor Plug
Rib Configuration:5-rib configuration
Sealing Type:Copper-glass seal
Seat Type:Tapered
Side Electrode:No
Terminal Top Type:Threaded
Thread Diameter:14 mm
Tip Configuration:U-Groove
Type:Standard

REVIEW SNAPSHOT®

by PowerReviews
AccelU-Groove Spark Plug; Header Plug
 
4.7

(based on 7 reviews)

Ratings Distribution

  • 5 Stars

     

    (5)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Easy to install (5)
  • Increases power (3)

Cons

No Cons

Best Uses

  • Performance driving (5)
  • Everyday driving (4)
  • Restoration (3)
    • Reviewer Profile:
    • Auto enthusiast (5), Truck enthusiast (4), Mechanic (3)

Reviewed by 7 customers

Displaying reviews 1-7

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5.0

Zap

By 

from Palm bay fl.

About Me Auto Enthusiast, Mechanic, Truck Enthusiast

See all my reviews

Verified Buyer

Pros

  • Easy To Install
  • Improves Engine Efficiency
  • Increases Power

Cons

    Best Uses

    • Everyday Driving
    • Restoration

    Comments about Accel U-Groove Spark Plug; Header Plug:

    Installed these in 1972 c10 with 383 stroker that I built from a 1970 350 sbc. Combined with his ignition and miss super conductors. Great combo great plugs.

    (1 of 1 customers found this review helpful)

     
    5.0

    Always use these with headers

    By 

    from Champaign il

    See all my reviews

    Verified Buyer

    Comments about Accel U-Groove Spark Plug; Header Plug:

    If you need clearance for your plug wires use these shorty plugs.

     
    4.0

    Header spark plug

    By 

    from Youngstown, Ohio

    About Me Truck Enthusiast

    Verified Buyer

    Pros

    • Easy To Install

    Cons

      Best Uses

      • Everyday Driving
      • Performance Driving

      Comments about Accel U-Groove Spark Plug; Header Plug:

      Outstanding product.

       
      5.0

      Great plug for headers.

      By 

      from NC

      About Me Auto Enthusiast

      See all my reviews

      Verified Buyer
      3 or more reviews submitted

      Pros

      • Perfect For Headers

      Cons

      • Difficult To Install

      Best Uses

      • Performance Driving

      Comments about Accel U-Groove Spark Plug; Header Plug:

      Great clearance for headers!

       
      4.0

      Excellent for header application

      By 

      from Hialeah, Fl

      About Me Auto Enthusiast, Casual Driver, Competitive Driver, Mechanic, Truck Enthusiast

      See all my reviews

      Verified Buyer
      3 or more reviews submitted

      Pros

      • Easy To Install
      • Increases Power

      Cons

        Best Uses

        • Everyday Driving
        • Performance Driving
        • Replacement
        • Restoration

        Comments about Accel U-Groove Spark Plug; Header Plug:

        First time using this brand of plugs. So far so good. 350 Chevy El Camino motor runs good with these plugs. Shorty plugs makes installation much easier when car has headers.

         
        5.0

        best i have used

        By 

        from Henderson, NC

        About Me Auto Enthusiast, Mechanic, Truck Enthusiast

        Pros

        • Easy To Install
        • Improves Engine Efficiency
        • Increases Power

        Cons

          Best Uses

          • Everyday Driving
          • Performance Driving
          • Racing
          • Replacement
          • Restoration

          Comments about Accel U-Groove Spark Plug; Header Plug:

          try alot befor this they all went bad in no time then try this one and have had good use out of them and still going good

           
          5.0

          worked great

          By 

          from ohio

          About Me Auto Enthusiast

          Verified Reviewer

          Pros

          • Easy To Install

          Cons

            Best Uses

            • Performance Driving

            Comments about Accel U-Groove Spark Plug; Header Plug:

            worked really good on my 1971 gmc truck with shorty headers

            Displaying reviews 1-7

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            Do you have questions about this product?

             

            Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

            3 Questions | 3 Answers
            Displaying questions 1-3
            • Q:

              DO YOU RECIEVE 8 PLUGS FOR THAT PRICE AND ARE THEY DIRECT FIT ON A 1975 BUICK RIVIERA WITH A 455 V8,WITH HEI DISTRIBUTOR
              Asked on 11/12/2012 by ALFREDO from MA.

              1 answer

              • CUSTOMER CARE

                A:

                This Accel U-Groove Spark Plug; Header Plug (Part No. 8199) is an exact fit for your 1975 Buick Riviera and it is sold as a set of 8 pieces. For further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.

                Answered on 11/14/2012 by Steve from AAP
            • Q:

              Can they be installed in a 92 camoro rs 5.0 with stock headers with out any problems ?
              Asked on 12/22/2010 by Dmarner from Baltimore, MD

              1 answer

              • CUSTOMER CARE

                A:

                With out the presence of your vehicle we cannot provide you with a 100% answer. I recommend purchasing a Haynes repair manual specifically for your vehicle. This should be able to assist you further into detail on how to repair or replace specific parts.

                Answered on 12/22/2010 by Ron the Auto Parts Rebel from AAP
            • Q:

              WHATS THE GAP ON THIS PLUG?
              Asked on 4/15/2010 by LICKSHOT7

              1 answer

              • CUSTOMER CARE

                A:

                It depends on what vehicle they are being used with. This spark plug can be used with a variety of different vehicles and are gapped accordingly.

                Answered on 7/9/2010 by Mike from AAP
            Displaying questions 1-3

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