{"product_id":"jessies-performance-ls-custom-ignition-coils-harness","title":"Jessie's Performance LS Custom Ignition Coils Harness","description":"\u003cp class=\"p1\"\u003e\u003cb\u003eJessie's Performance LS Custom Ignition Coils Harness\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eTake your LS engine build to the next level with Jessie's LS Custom Ignition Coils Harness, engineered for reliability, performance, and a clean professional installation. Designed to provide secure, consistent connections between your ignition coils and engine management system, this custom-built harness delivers dependable spark delivery for street, performance, and racing applications.\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eEach harness is proudly built by RTP and made in the USA, using genuine MIL-SPEC aerospace-grade materials, including M22579-spec wire and DR-25 heat-shrink loom for exceptional durability and protection. We also use genuine OEM-quality connectors and terminals, ensuring precise fitment, secure electrical connections, and long-term reliability. These are the same materials and components trusted in demanding automotive, motorsports, and aerospace environments.\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eTo accommodate a wide variety of engine combinations and custom installations, our harnesses are available in multiple lengths and can be tailored to your specific application for the cleanest possible routing and professional appearance.\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhether you're completing an LS swap, upgrading your ignition system, or finishing a high-end custom build, Jessie's LS Custom Ignition Coils Harness provides a wiring solution that looks as good as it performs.\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003e15” length connector to connector (additional lengths available)\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eBuilt by RTP and proudly Made in the USA\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eConstructed with genuine M22579 MIL-SPEC aerospace wire\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eProtected with DR-25 heat-shrink loom for superior heat, abrasion, and chemical resistance\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eBuilt using genuine connectors and terminals for maximum reliability and proper fitment\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eAvailable in multiple lengths to suit your build requirements\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eCompatible with LS-series ignition coil setups\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eHigh-temperature, motorsports-grade construction\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eClean, professional engine bay appearance\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eDesigned to withstand extreme heat, vibration, moisture, and harsh operating conditions\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eIdeal for LS swaps, race cars, street performance builds, and restorations\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eHand-built with meticulous attention to detail and quality\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhy Choose Jessie's LS Custom Harnesses?\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eUnlike generic aftermarket harnesses, our ignition coil harnesses are built using the same proven materials trusted throughout the aerospace and professional motorsports industries. The combination of M22579 wire, DR-25 loom, and genuine connectors and terminals delivers exceptional reliability, durability, and performance under the most demanding conditions.\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eEvery harness is handcrafted by RTP in the USA and built to the standards serious enthusiasts, racers, and professional builders expect. Available in multiple lengths, each harness is designed to provide a clean installation, dependable performance, and long-term durability.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eFor a custom application not listed, please contact us directly. \u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eMade in USA\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"Jessie's Performance","offers":[{"title":"15\" Connector to Connector","offer_id":45762532081750,"sku":null,"price":300.0,"currency_code":"USD","in_stock":true},{"title":"18\" Connector to Connector","offer_id":45762532114518,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"21\" Connector to Connector","offer_id":45762532147286,"sku":null,"price":360.0,"currency_code":"USD","in_stock":true},{"title":"24\" Connector to Connector","offer_id":45762532180054,"sku":null,"price":390.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0575\/3110\/5366\/files\/20260909_122740Large.jpg?v=1789405961","url":"https:\/\/www.jessiesstore.com\/products\/jessies-performance-ls-custom-ignition-coils-harness","provider":"Jessie's Performance","version":"1.0","type":"link"}