HEI Distributor Vacuum Advance

Top Street Performance JM6915 Features:

Give your GM or TSP HEI distributor a refresh with this adjustable vacuum advance.

• Distributor Type: HEI
• Cylinders: 6 or 8
• Adjustable: Yes

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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