Part # 8517
$701.95
An adjustable mechanical advance mechanism is mounted on top of the shaft. Nylon pads ensure smooth movement of the fine balanced weights for accurate timing advancement. A variety of advance stop bushings and springs are supplied so you can dial-in a custom curve.
Features & Benefits
Supplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts)
Fits: Fits 400, 430 and 455 Buick engines. Must be used with an MSD 6, 7 or 8-series ignition.
⚠ Also required: Ignition Box Required — Yes
In the box: Distributor Cap, Ignition Rotor
| Color | Red |
| Distributor Type | Magnetic Pickup |
| Gear Material | Cast Iron Melonized QPQ Coated |
The EFI Brain
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