{"product_id":"ngk-9581-spark-plug-wire-set","title":"NGK 9581 Spark Plug Wire Set","description":"\u003ch2\u003eNGK Spark Plug Wire Set 9581\u003c\/h2\u003e\u003cp\u003eBuilt for specific-fit ignition service, this NGK spark plug wire set uses silicone insulation and a magnetic variable-pitch core to support stable spark delivery and noise suppression. It is a direct-fit replacement for select Subaru applications and carries NGK part number 9581.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit spark plug wire set for targeted ignition service\u003c\/li\u003e\n\u003cli\u003eSilicone insulation for heat-resistant wire routing\u003c\/li\u003e\n\u003cli\u003eMagnetic variable-pitch core for noise suppression\u003c\/li\u003e\n\u003cli\u003eBlue insulation for easy visual identification\u003c\/li\u003e\n\u003cli\u003eNGK part number 9581 for ordering and reference\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNGK 9581 is a specific-fit spark plug wire set engineered for 1987-1991 Subaru Justy applications. The silicone jacket helps maintain insulation integrity in demanding engine bay conditions, while the Mag (Var. Pitch) core is used to reduce electrical interference in the ignition system. As part of the NGK Spark Plug Wire Set line, this component reflects NGK’s long-standing focus on OE-level ignition products and broad coverage for domestic and import vehicles. This part cross-references Dorman - HELP 96554 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring spark transfer when old wires have cracked insulation\u003c\/li\u003e\n\u003cli\u003eReducing misfire symptoms caused by worn ignition leads\u003c\/li\u003e\n\u003cli\u003eAddressing radio-frequency interference from deteriorated wire cores\u003c\/li\u003e\n\u003cli\u003eReplacing aging ignition wires with a specific-fit assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle application before installation and route each lead to match the original layout. Inspect spark plug boots, coil connections, and adjacent ignition components for wear before completing the job. Confirm the NGK 9581 part number against the existing application data before ordering.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNGK positions its ignition products to meet OE standards and manufactures them with a focus on durability and operational performance. The brand’s ignition expertise and global OE experience support consistent replacement quality for ignition service.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53260852986037,"sku":"BCDP-9581","price":29.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NG_9581_Fro.jpg?v=1789277932","url":"https:\/\/www.partcatalog.com\/products\/ngk-9581-spark-plug-wire-set","provider":"PartCatalog","version":"1.0","type":"link"}