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Champion 71S Copper Plus Spark Plug

Manufacturer

Champion

<h3>Over a Century of Ignition Excellence</h3><p>Few names in automotive history carry the weight of <strong>Champion</strong>. Founded in 1905 by Albert Champion in Boston, Massachusetts, the brand has spent more than a century engineering ignition and engine maintenance parts for virtually every combustion engine on the planet. What began as a small spark plug operation grew into one of the most recognized names in the global automotive aftermarket — a brand that has fired engines in everything from the Ford Model T to Formula 1 race cars, the Concorde supersonic jet, and land speed record vehicles.</p><h3>A Legacy Built on Spark Plugs</h3><p>Spark plugs are the heart of the Champion story. Champion spark plugs have been improving engine performance since the earliest days of the automobile, and that tradition continues today with a comprehensive lineup that spans Copper Plus, Platinum Power, Double Platinum, and Iridium technologies. Whether you drive a daily commuter, a powersports machine, a marine vessel, or a lawn-and-garden engine, Champion catalogs a plug engineered for your application. The brand&apos;s Iridium plugs are backed by a 7-year unlimited-mileage guarantee — a testament to Champion&apos;s confidence in its own engineering. Champion has also powered motorsports legends, including victories at Le Mans and Fernando Alonso&apos;s Formula 1 championship season in 2005.</p><h3>Engine Protection Beyond Ignition</h3><p>Champion&apos;s expertise doesn&apos;t stop at the spark. The brand has expanded its aftermarket presence to include Champion air filters, designed to shield your engine from harmful contaminants and keep it breathing cleanly. Champion&apos;s air filter lineup is engineered to meet or exceed original equipment specifications, offering broad coverage across the North American passenger vehicle population. The same philosophy that has guided over a century of spark plug innovation — precision engineering, rigorous testing, and OE-level quality — carries through to every filter Champion produces.</p><h3>Who Champion Serves</h3><p>One of Champion&apos;s greatest strengths is the sheer breadth of its application coverage. The brand serves passenger cars, light trucks, powersports, marine, aviation, industrial, and lawn-and-garden markets. If it has a combustion engine, there&apos;s a strong chance Champion has a part engineered for it. Now operating under DRiV, Tenneco&apos;s aftermarket division, Champion continues to leverage decades of original equipment manufacturing experience to develop parts that perform reliably in the real world.</p><h3>Why Enthusiasts and Professionals Trust Champion</h3><p>Champion&apos;s long-standing reputation is grounded in genuine engineering milestones. The brand was present at some of the most iconic moments in engine-powered history — from powering the world&apos;s first mass-produced automobile to igniting jet fighters and supersonic aircraft. That heritage informs every product Champion brings to market today: parts built with the same commitment to quality, reliability, and performance that made the name legendary.</p>

Part Number

71S
09/12/2036 5:30 PM
Sale Price

$70.14

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Champion 71S Copper Plus spark plug delivers reliable ignition performance for small engines and vintage applications. Engineered with a copper core center electrode, this spark plug provides precise heat range control to optimize engine performance and extend service life.

Key Features:

  • Copper core center electrode for accurate heat range control and superior conductivity
  • Patented SAC-9 semi-conductor resistor for maximum EMI and RFI suppression
  • Patented Ultraseal coated shell prevents rust and corrosion
  • 14mm thread diameter with 3/4" reach
  • Resistor type plug for reduced electronic interference
  • Reliable cold-start performance and consistent spark delivery

Champion spark plugs have been the trusted choice for automotive, marine, small engine, and powersports applications for decades. The 71S is designed to meet or exceed OEM specifications, making it an ideal replacement plug for lawn and garden equipment, motorcycles, and classic vehicles.

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