Unlock more control over your engine’s ignition with this Vacuum Advance Canister & Lockout Kit, engineered to help you fine-tune timing for optimal performance. The adjustable vacuum advance canister allows you to customize ignition timing based on engine load, delivering improved throttle response and greater efficiency during cruising and part throttle conditions. This helps your engine run smoother and cooler, especially at steady highway speeds. For those seeking precise ignition control, the included lockout plates secure the pickup coil position, ensuring accurate rotor phasing and consistent spark delivery. This is essential for performance builds or when tuning for specific driving needs. This HEI parts kit is designed for straightforward installation in most distributor configurations, making it easy to adjust or lock out vacuum advance as required. Whether you’re enhancing a street vehicle or dialing in a custom project, this kit provides the flexibility and reliability needed for modern ignition tuning. Experience improved drivability, stable idle, and responsive acceleration by optimizing your car ignition system with this comprehensive solution.