Description
Fine-tuning your ignition timing is critical for maximizing horsepower and throttle response across your engine’s RPM range. The Moroso GM HEI Advance Kit gives you precise control over mechanical advance curves, allowing you to optimize performance for your specific fuel octane, compression ratio, and application. Whether you’re building a street engine or dialing in a race motor, this kit delivers the adjustability serious builders demand.
- Mechanical advance weights
- Centerplate component
- Three spring sets included
- GM HEI distributor compatible
- Fully adjustable advance curve
- Bolt-on installation
- MPN: 72300






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