{"product_id":"msd-ignition-2-step-launch-control-for-gm-ls-engines-8733-module-adjustable-launch-rpm-works-with-factory-coils","title":"MSD Ignition 2-Step Launch Control for GM LS Engines — 8733 Module, Adjustable Launch RPM, Works with Factory Coils","description":"\u003cp\u003e\u003cstrong\u003eThe MSD Ignition 8733 is a dedicated 2-step launch control designed for GM LS engines to deliver repeatable, adjustable launch RPMs and firmer, more consistent holeshots.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you run a GM LS-based streetcar or race vehicle and want predictable starts without reworking coils or ECU maps, the MSD 8733 2-step gives a simple electronic way to hold engine RPM at a preset level during launch. It integrates with factory coils and supports common crank trigger systems, so installation is straightforward and it works with popular LS platforms.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the 8733 help me get better launches?\u003c\/h3\u003e\n\u003cp\u003eThe 8733 holds engine speed at a user-set launch RPM, preventing engine bog or over-rev during the initial launch phase. That lets the driver apply full throttle while the ignition strategically controls cylinder firing to maximize traction. The result is more consistent 60-foot times and reduced wheelspin variability from run to run.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProgrammable launch RPM for repeatable holeshots\u003c\/li\u003e\n  \u003cli\u003eWorks with factory coils to simplify wiring\u003c\/li\u003e\n  \u003cli\u003eLimits ignition to manage power during clutch or traction engagement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it install easily on my GM LS engine?\u003c\/h3\u003e\n\u003cp\u003eThe unit is built to connect to stock LS coils and accepts common trigger wheel inputs, so it fits most GM LS installs without needing aftermarket coils or complex adapters. Basic wiring skills and an understanding of ignition trigger signals are helpful for proper setup. Installation guides and wiring diagrams for LS systems make the process straightforward for experienced DIYers or shops.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect connection to factory LS coil packs\u003c\/li\u003e\n  \u003cli\u003eCompatible with 24x and 58x crank trigger wheels\u003c\/li\u003e\n  \u003cli\u003eCompact module design eases mounting in engine bays\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat trigger systems and vehicles are supported?\u003c\/h3\u003e\n\u003cp\u003eThe 8733 supports both 24x and 58x crank trigger wheels, covering the most common GM LS crank sensors and aftermarket trigger setups. That flexibility allows use on a wide range of GM LS blocks, including swapped and built applications. Confirm your crank trigger type before ordering to ensure plug-and-play compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with 24x and 58x trigger wheel signals\u003c\/li\u003e\n  \u003cli\u003eDesigned for GM LS family engines and swaps\u003c\/li\u003e\n  \u003cli\u003eIdeal for both streetstrip and competition setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I set and adjust the launch RPM?\u003c\/h3\u003e\n\u003cp\u003eSettings are adjusted on the control module or via its interface according to the included instructions; you pick the RPM you want the engine to hold for launch. Fine-tune the RPM based on traction, tire compound, and driver preference. Once dialed in, the 2-step delivers repeatable engagement each run.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustable launch RPM for tuning traction behavior\u003c\/li\u003e\n  \u003cli\u003eSimple controls for in-garage setup and track tuning\u003c\/li\u003e\n  \u003cli\u003eMaintains chosen RPM during clutch engagement or throttle stab\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The MSD Ignition 8733 is aimed at racers, street-strip enthusiasts, and LS swap builders who want a reliable, easy-to-install 2-step launch control that interfaces with stock coil packs and common crank triggers. If you need consistent launches without replacing ignition hardware or doing extensive ECU rewrites, the 8733 provides a pragmatic solution for improving holeshots on GM LS-powered cars.\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: Does the 8733 work with stock LS coil packs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The MSD 8733 is designed to connect directly to factory LS coil packs for an easier installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can it be used with 24x and 58x trigger wheels?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The unit supports both 24x and 58x crank trigger signals commonly used on GM LS engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MSD","offers":[{"title":"Default Title","offer_id":55170802319703,"sku":"B0035GS9T0","price":393.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/msd-ignition-8733-front-module.jpg?v=1790434478","url":"https:\/\/britishgarage.co.uk\/products\/msd-ignition-2-step-launch-control-for-gm-ls-engines-8733-module-adjustable-launch-rpm-works-with-factory-coils","provider":"British Garage","version":"1.0","type":"link"}