{"product_id":"quicksilver-816761q17-spark-plug-wire-kit-for-mercruiser-v8-lh-thunderbolt-iv-1993-2003","title":"Quicksilver 816761Q17 Spark Plug Wire Kit for MerCruiser V8 LH | Thunderbolt IV (1993–2003)","description":"\u003ch2\u003eReliable ignition for MerCruiser V8 engines\u003c\/h2\u003e\n\u003cp\u003eThe Quicksilver 816761Q17 Spark Plug Wire Kit is crafted as a marine-grade replacement for MerCruiser V8 LH powerplants using Thunderbolt IV ignition systems from 1993 through 2003. This kit offers a complete, factory-style wiring solution designed to support steady starts and smooth idle in demanding sea conditions.\u003c\/p\u003e\n\u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete set of spark plug wires with boots at the spark plug end\u003c\/li\u003e\n  \u003cli\u003eTailored to reach the correct plug location without stressing the harness\u003c\/li\u003e\n  \u003cli\u003eDesigned for efficiency, endurance and durability in a marine engine environment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey compatibility and design details\u003c\/h3\u003e\n\u003cp\u003eThe kit targets MerCruiser V8 LH configurations (305 and 350 CID) with Thunderbolt IV ignition, spanning model years 1993–2003. It aligns with original equipment expectations, offering a practical replacement option when wiring and boots reach the end of their service life.\u003c\/p\u003e\n\u003ch3\u003eWhy choose Quicksilver\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e65 years of marine industry experience and testing in harsh environments\u003c\/li\u003e\n  \u003cli\u003eLeader in Mercury Marine Original Equipment replacement parts and accessories\u003c\/li\u003e\n  \u003cli\u003eQuality you can feel in fit, finish, and durable construction designed to withstand waves, vibration, and salt spray\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use and expectations\u003c\/h3\u003e\n\u003cp\u003eWhether you're cruising at sunset or navigating a choppy afternoon, this kit aims to support reliable ignition and steady running. It offers a practical option when regular maintenance calls for renewed wiring and boots. Benefits are described as possibilities, not guarantees, and will vary with upkeep and operating conditions.\u003c\/p\u003e\n\u003cp\u003eConsider this kit as part of a routine maintenance plan for engines from the Thunderbolt IV era, especially if you value a factory-style wiring solution that aligns with original equipment expectations and marine-duty durability.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the Quicksilver 816761Q17 Spark Plug Wire Kit designed for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: For MerCruiser V8 LH engines with Thunderbolt IV ignition (1993–2003).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What benefits does this kit offer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Complete wires with boots and a tailored fit designed for durability in marine use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Quicksilver","offers":[{"title":"Default Title","offer_id":42465932673109,"sku":"B001HBSXK0","price":99.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/quicksilver-816761q17-spark-plug-wire-kit-assembly.jpg?v=1778028999","url":"https:\/\/plentytorque.co.uk\/products\/quicksilver-816761q17-spark-plug-wire-kit-for-mercruiser-v8-lh-thunderbolt-iv-1993-2003","provider":"PlentyTorque","version":"1.0","type":"link"}