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MSD Vacuum Advance Mechanisms

4.57 out of 5 stars 7 Customer Reviews

These MSD vacuum advance mechanisms are designed to replace the vacuum advance chamber on the MSD HEI distributor. They are made of steel and feature cadmium plating for maximum durability.

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MSD Vacuum Advance Mechanisms 8463

Vacuum Advance Mechanism, Replacement, for MSD Distributor, Each

Part Number: MSD-8463

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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