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Champion 821S Copper Core Spark Plug

Manufacturer

Picture for manufacturer Champion

Part Number

821S
6 reviews
Sale Price

$77.72

In Stock (10)

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Usually delivered within 2 days

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Product Details

The Champion 821S is an American-made spark plug engineered for reliable ignition performance across a wide range of applications. Built with proven Champion technology, this spark plug delivers dependable starts and consistent engine operation.

Key Features:

  • High-conductivity copper core center electrode for superior heat dissipation and electrical conductivity
  • Wide base insulator design with special thermal bonding process ensures optimal heat transfer
  • Durable 522 nickel alloy electrode resists wear and erosion
  • Engineered to control heat range, resist fouling, and provide quick cold starts
  • American-made quality and manufacturing

Champion spark plugs are designed to meet or exceed OEM specifications, making them a trusted choice for engine maintenance and repair. The copper core construction provides excellent thermal conductivity to prevent pre-ignition and reduce misfires, while the nickel alloy electrode extends service life under demanding conditions.

First off, I LOVE my new shipments! These guys had everything at super low prices, and the shipping was phenomenally fast. It's all working great, and imm definitely buying from these guys again.

Like the simplicity so far. Ordered my product on Sunday shipped out Tuesday so we'll see how fast and efficient shipping is.

I have been looking for this pump for 3 months no one else had it. You do. I am a new happy customer.

Autoplicity had the lowest price I found on the product I wanted. Also, the item was shipped very quickly. I received 2 days after I purchased it. Great service!

I am extremely happy with Autoplicity from start to finish! They had the best prices online on Hawk Performance pads and were shipped the day I ordered. They were at my door step within two days of me ordering them! You can't beat that anywhere. Cheaper and faster, it truely dosen't get any better than that.

Great prices, and much faster delivery than expected. They "over-delivered" on what they said they'd do. Will definitely use them again!

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