Skip to Main Content Skip to Footer Links
Error occured! Please reload the page and try again
Choose a Store
Open till 
There are vehicles in your garage

Free shipping on orders over $35.

Enroll in Speed Perks for more savings.


Cart is empty!


Add Something to the cart

includes estimated shipping



Vehicle added

Vehicles

Find parts for the selected vehicle:

View Vehicles
Are you sure you want to delete this vehicle?

    Add a


    Add a


    Champion Copper Plus- Boxed - RS9YC

    Loading ...
    Exact Fit May Not Fit Doesn't Fit for your

    Warranty Information
    Save up to $24 By Mail when you buy 8 ACDelco Spark Plugs. See Rebates Page for more details on all ACDelco Spark Plug offers.
    • Product Details

      Part No. 304

      Warranty Details (2 YR REPLACEMENT IF DEFECTIVE)

      Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

      Product Features:

      • Copper Plus - Dependable Performance.
      • Copper core center electrode allows for accurate control of heat range for longer life
      • Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
      • Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
      • Built to ISO and SAE standards for proven performance

    • Specifications
      • Thread Diameter:0.551 in
        Seat Type:Tapered
        Resistor Type:Yes
        Reach:0.689 in
        Manufacturer Heat Range:9
        Insulator Height:0.06 in
        Hex Size:0.625 in
        Ground Electrode Quantity:1
        Ground Electrode Core Material:Nickel Copper Alloy
        Electrical Terminal Type:Removable Nut
        Center Electrode Tip Material:Nickel Copper Alloy
    • Read Review
    • Q & A