{"product_id":"moroso-72300-advance-curve-kit-for-gm-hei-distributors-spark-timing-control","title":"Moroso 72300 Advance Curve Kit for GM HEI Distributors – Spark Timing Control","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMoroso 72300 Advance Curve Kit is designed for GM HEI distributors, offering a precise, adjustable ignition curve to suit your driving style. By recentering the spark advance, you can target optimal performance at the RPM bands you use most, while maintaining reliability across daily driving and spirited cruises.\u003c\/p\u003e\n\n\u003ch2\u003eTailor-made for GM HEI ignition\u003c\/h2\u003e\n\u003cp\u003eWhen paired with a GM HEI distributor, this kit gives you direct control over the spark advance curve. The result is a more predictable timing profile that can help smooth throttle response and maintain stable idle across varied loads.\u003c\/p\u003e\n\n\u003ch2\u003eKey features and benefits\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eRecurve your distributor for full spark advance at the optimum RPM window, helping you align timing with engine demand.\u003c\/li\u003e\n  \u003cli\u003eThree spring configurations let you tailor the rate of spark advance across RPMs, without guesswork.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in stop keeps the adjustment screw secure, reducing the risk of unintended changes during use.\u003c\/li\u003e\n  \u003cli\u003ePrecison stamped weights and centerplates with smooth edges minimize timing irregularities and jitter.\u003c\/li\u003e\n  \u003cli\u003eA complete installation guide is included to support a proper setup and fine-tuning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you might notice in real world use\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMore predictable ignition timing during spirited acceleration and quick throttle bursts.\u003c\/li\u003e\n  \u003cli\u003ePotentially smoother mid range response and steadier idle as RPM changes.\u003c\/li\u003e\n  \u003cli\u003eConsistent timing behavior across environmental changes, such as heat and load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy consider an advance curve kit\u003c\/h2\u003e\n\u003cp\u003eEngineers tune the ignition curve to match the engine's behavior. The Moroso kit provides adjustable spark advance, allowing a more linear response as RPM climbs and load shifts. It's a tool for customization, not a guaranteed outcome.\u003c\/p\u003e\n\u003cp\u003eIn street and performance driving, controlling when the spark occurs can affect throttle response, engine feel, and driveability. A well configured curve can help you avoid detonation tendencies and maintain dependable performance under different conditions.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation and compatibility\u003c\/h2\u003e\n\u003cp\u003eDesigned for GM HEI distributors, this kit is a compatible upgrade for many GM V8 engines with HEI ignition systems. The included instructions walk you through steps to install and dial in your preferred curve with confidence.\u003c\/p\u003e\n\n\u003ch2\u003eBuild quality and reliability\u003c\/h2\u003e\n\u003cp\u003eThe kit features precision stamped weights and centerplates with smooth edges designed to reduce friction and timing irregularities. The parts are paired with a straightforward installation guide to help ensure proper alignment and long term reliability.\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 does the Moroso 72300 Advance Curve Kit fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for GM HEI distributors, it supports GM V8 engines that use HEI ignition.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the main benefits of this kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Three spring options tailor the timing, a built-in stop prevents back-out, and precision weights reduce timing jitter; installation instructions are included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Moroso","offers":[{"title":"Default Title","offer_id":42469318426709,"sku":"B000COO1DG","price":36.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/moroso-72300-advance-curve-kit-gm-hei-distributor.jpg?v=1778090708","url":"https:\/\/plentytorque.co.uk\/products\/moroso-72300-advance-curve-kit-for-gm-hei-distributors-spark-timing-control","provider":"PlentyTorque","version":"1.0","type":"link"}