Collection: Auto - Spark Plug

Restore your engine’s firing power and fuel efficiency with our selection of Auto Spark Plug components. At DIY Customs, we provide high-performance spark plugs, specialized ignition wire sets, durable spark plug tubes, and heavy-duty boot heat sleeves designed for a perfect fit on classic muscle, modern daily drivers, and high-output Hemi builds. Whether you are seeking a specialized iridium plug set for maximum longevity, outfitting your racing rig with specialized high-temp wire looms and separators to prevent crossfire, or seeking specialized tube seals to eliminate oil leaks in your spark plug wells, our professional-grade hardware offers the thermal resistance and conductivity you need at unbeatable prices. From specialized plug wire repair kits to direct-fit looms for popular domestic and import platforms, we carry the essential gear for every ignition project. Don't see the specific heat range, wire gauge (7mm / 8mm / 10mm), or specialized ceramic boot for your headers? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!