NEW FEATURE: The best just got better Smart Idle™ cold run assist — when RPM drops below your chosen base idle speed, Blackbox 3 can automatically add a user-set amount of ignition advance to help stabilise cold idle and reduce stalling. Negative Earth ONLYSuitable for 2 - 4 - 6 - 8 cylPoints or Electronic traditional type distributors Unleash the Full Potential of Your Engine with the AccuSpark BlackBox 3 – Now with Multi-Spark Technology! Looking to push performance, improve throttle response, and ignite every ounce of power your classic or modified engine has to offer? The AccuSpark BlackBox 3 is your ultimate ignition upgrade. The BlackBox 3 now includes advanced Multi-Spark technology—delivering not just one, but multiple sparks at low RPM for stronger combustion, smoother idling, and crisper acceleration. Why Choose the BlackBox 3? ✅ Multi-Spark Ignition – Say goodbye to misfires and incomplete combustion. Multiple sparks ensure consistent firing even under tough conditions.✅ Fully Programmable Mechanical and Vacuum Advance Curves – Tailor your ignition timing with precision for any driving style or engine setup. ✅ Rev Limiter Protection – Protect your investment with built-in safety features to prevent over-revving.✅ Compact & Easy to Install – Plug-and-play simplicity with powerful results. Fits neatly into your engine bay with minimal wiring fuss.✅ Compatible with Points & Electronic Distributors – Versatility built-in, whether you're running classic points or modernized ignition systems. Perfect for street, track, or off-road performance—if you're serious about ignition control, you can't afford to run without it. Drive Smarter. Spark Stronger. Go Further. AccuSpark BlackBox 3 with Multi-Spark – Ignite Excellence.