Iridium spark plugs feature a fine wire center electrode that is designed to conduct electrical energy better and increase firing efficiency. Tempest, a new comer, took over the Autolite/Unison spark plug line. Join our newsletter. Because of the Champion’s patented SAC-9 semi-conductor resistor these spark plugs aid in the suppression of radio frequencies which can cause problems with vehicle … What about platinum spark plugs, I can say that it is also a good spark, especially when a spark plug has double platinum. The perfect replacement plugs for lawn, garden, and similar small engine machines. Tune up your outdoor equipment with our Champion small engine spark plugs. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. Champion has seemingly been involved with powered flight forever, having made plugs for the Curtiss Jenny, a WWI trainer. Small engines deserve Champion ® power. There are currently two manufacturers of aircraft spark plugs, Champion and Tempest. Champion copper spark plugs are of OEM standards which aid in maximum performance and maintain standard operating temperatures. SMALL ENGINE Spark PLugs. When the piston inside the cylinder compresses the air and gasoline at the top of its cycle (aka "top dead center"), the plug creates a spark to ignite the whole thing. Longevity: 55 … Longevity: 75-80 thousand miles. Be the first to know about sales and promotions Shop Champion Iridium Plugs on SparkPlugs.com. Champion Spark Plugs for 5.4 Triton Champion Spark Plugs are probably the most popular options, and even though they are receiving tough competition from others such as Motor craft, the vintage spark plugs have managed to stay among the top. At just $5, these Denso spark plugs are a great value, and they're highly regarded, having earned a 4.6-star rating after nearly 1,000 customer reviews. $6 … Spark plugs are designed to ignite a mixture of gasoline and air in internal combustion engines. Why Use Champion RE14MCC4 Spark Plugs? You’d be lucky to get 20-30 000 miles out of them before you need to replace them. The owner reviews say it all: many shoppers choose these plugs to replace their long-lasting factory-equipment NGK plugs, which often turn … Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs. Copper spark plugs die out way faster than the other two types. Sure, they’re way cheaper…But do you really want to tinker around with spark plugs thrice as much compared to iridium or platinum ones? Read honest and unbiased product reviews from our users. Find helpful customer reviews and review ratings for Champion RC12ECC (438) Copper Plus Replacement Spark Plug, (Pack of 1) at Amazon.com. It is high-performance, spark plugs with a central iridium electrode, which consist of durable alloy. Both make a full line of massive and fine wire plugs.