Convert Your HEI for Racing Performance

Transform your standard GM HEI distributor into a dedicated racing ignition system with the DUI Vacuum Advance Lockout Kit. This aluminum lockout is designed to fix your timing curve, eliminating the vacuum advance mechanism. By locking out the vacuum advance, you ensure that your ignition timing remains consistent, which is essential for high-performance and competitive racing applications.

Key Features and Benefits

• Performance Optimization: Locks out vacuum advance for a consistent timing curve.
• Aluminum Construction: Lightweight and durable for long-term reliability.
• Compatibility: Designed specifically for GM HEI distributors.
• Racing Ready: Ideal for drag racing, circle track, and high-performance street builds.

Removing the vacuum advance is a common modification for racers who want to eliminate timing variables that can cause detonation or power loss at high RPMs. This lockout kit provides a simple, effective way to achieve this modification without needing to purchase an entirely new distributor. It is a cost-effective solution for those looking to squeeze more performance out of their existing ignition setup. Installation is straightforward, allowing you to quickly adapt your vehicle for the track. When you need reliable performance parts that deliver real results, you can count on the selection at GGCRACING.