1966 Cadillac Calais Spark Plugs
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NGK®Iridium IX™ Spark PlugCadillac Calais 1966, Iridium IX™ Spark Plug by NGK®. NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium...$8.01 - Champion®Copper Plus Spark PlugCadillac Calais 1966, Copper Plus Spark Plug by Champion®. Built with nickel alloy center and ground electrodes, these spark plugs provide extra durability for long-lasting service life, while the extrusion of copper into the core of...Dependable and durableBuilt to ISO and SAE standards for proven performance$1.80 - $1.98
- ACDelco®Gold™ Rapidfire Platinum Spark PlugCadillac Calais 1966, Gold™ Rapidfire Platinum Spark Plug by ACDelco®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.99Save: 15%$5.09
- NGK®V-Power™ Spark PlugCadillac Calais 1966, V-Power™ Spark Plug by NGK®. Spark plugs offer higher performance compared to standard plugs. Spark plugs feature a V-groove center electrode and concave ground electrode that lowers ignition voltage requirements...$2.70
- Denso®Original U-Groove Nickel Spark PlugCadillac Calais 1966, Original U-Groove Nickel Spark Plug by Denso®. OE Recommended Resistor Plug with Patented U-Groove Design. If you want to restore the original performance of your vehicle's ignition system, this product is what you...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$2.25
- ACDelco®Professional™ Conventional Nickel Spark PlugCadillac Calais 1966, Professional™ Conventional Nickel Spark Plug by ACDelco®. Designed for today’s most popular autos, as well as several marine applications, ACDelco’s Rapidfire® Platinum Spark Plugs fit engines using...Ribless insulator that improves the plug-to-boot sealTapered center wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage$3.28Save: 15%$2.79
- ACDelco®Gold™ Double Platinum Spark PlugCadillac Calais 1966, Gold™ Double Platinum Spark Plug by ACDelco®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9.41Save: 15%$8.01
- Motorcraft®Copper Spark PlugCadillac Calais 1966, Copper Spark Plug by Motorcraft®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$2.26
- Dorman®HELP™ Spark Plug Non-FoulersCadillac Calais 1966, HELP™ Spark Plug Non-Foulers by Dorman®. The Spark Plug Non-Foulers prevent spark plug damage, repairing spark plug fouling in engines running too rich or oil issues to improve engine performance. Dorman offers a...Corrosion-resistant designNon-Foulers help protect spark plugs from damage$4.00
- Accel®U-Groove™ Copper Spark PlugsCadillac Calais 1966, U-Groove™ Copper Spark Plugs by Accel®. With Resistor. Elaborately designed by a company with 40 years of experience in the field, this product is intended to reliably serve and effectively improve the...$34.95 - $44.95
- QRP®Copper Spark PlugsCadillac Calais 1966, Copper Spark Plugs by QRP®. This superior product is painstakingly designed to provide outstanding quality and value. Expertly crafted from first-rate materials to the highest standards it ensures maximum...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$85.31 - $105.01
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