Description
When you’re tuning a high-performance engine, vacuum advance becomes a liability—it’ll pull your ignition timing around unpredictably and kill consistency under boost or heavy throttle. The MSD Vacuum Advance Lockout 8468 locks out this mechanism entirely, giving you rock-solid, repeatable timing curves for precise engine management. If you’re running an MSD clockwise distributor and need fixed ignition advance, this is the straightforward solution.
- Disables vacuum advance
- MSD clockwise distributors
- Durable black plastic
- Compatible: 8360, 8361, 8572
- Bolt-on installation
- Sold individually
- Emissions Code 5
- 1-Year Limited Warranty
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