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ACCEL 578C2-4 HP Copper Spark Plug
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ACCEL 578C2-4 HP Copper Spark Plug

ACCEL
BDDP578C2-4
In stock
$45.36 $29.44
Universal part

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$29.44

ACCEL 578C2-4 HP Copper Spark Plug

Spark Plug

HP Copper Spark Plug

HP Copper Spark Plug; 2 Heat Ranges Colder Than Stock; 0.026 in. Gap; 5/8 in. Hex Size; 1 in. Reach; Resistor; Tapered Seat Type; 1.25mm Thread Pitch; 14mm Thread Size; 4 Pack;


SPECIFICATIONS:
  • Assembly Method: Tapered
  • Gap Size: 0.030 in.
  • Hex Size: 0.625 in.
  • Package Quantity: 4
  • Projected Tip: Yes
  • Reach: 1.000 in.
  • Resistor: Yes
  • Seat Type: Tapered
  • Thread Pitch: 1.25mm
  • Thread Size: 14mm
  • Torque Capacity: 7.2 ft/lbs. - 14.5 ft/lbs.
  • WARNING CA Proposition 65: No

FEATURES:
  • Copper Core Is A Better Conductor Than Iridium Or Platinum Plugs
  • Copper Dissipates Heat Much Better Than Other Materials
  • C - Cut Design Un-shrouds The Spark Kernel For Better Burn
  • Unlike Iridium Or Platinum Plugs - The HP Plugs Are Gapable
  • Machined Rolled Threads For Precise Thread Engagement
  • Two Steps Colder Than Stock
  • Whether Using On Street/Strip The HP Copper Core Plugs Deliver!

ACCEL U-Groove performance spark plugs have a patented U-shaped ground electrode that produces a double wide, hotter spark to ignite standard or even the highest compression engines. The sintered alumina heavy-duty five rib insulator eliminates flashover and overheating that occurs with high performance and long range applications. ACCEL U-Groove spark plugs use the purest copper/nickel alloy electrode to produce a broad heat range that is highly foul resistant and dissipates heat better than any other material. Years of racing and street performance research has proven that ACCEL U-Groove spark plugs deliver the hottest spark and the highest performance of any spark plug available.

For more than 40 years, ACCEL has been a leader in performance fuel and ignition systems, proving itself on the racetracks and drag strips of the world - and on the street. With an ever-expanding line of SuperCoils and all the spark plug wires, tune-up kits, and fuel injectors hot rodders have trusted and relied on for years, ACCEL is constantly developing innovative new products designed to push power, speed, and performance to match advancements in automotive technology. Now part of Holley Performance, ACCEL offers a comprehensive selection of performance products, including coils, digital fuel injection systems, fuel injectors, distributors, caps, rotors, ignition wires, spark plugs.

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Orders ship within 1-3 business days after payment is received if the product is in stock. If the product is not in stock you will be notified with an ETA. We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations. When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it. New, unopened, uninstalled, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

All of our products come with the manufacturer's warranty. For more specific warranty information for a product, please contact us.

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