
MSD
EARLY HEMI CHRYSLER 331 READY-TO-RUN DISTRIBUTOR
Fits early Hemi engines 331, 354. Ready-to-run distributors include a built-in ignition module. No MSD Ignition control required. Includes a built-in rev limiter
Part # 8391
Street rods look great with matching era power plants and the early Hemi engines are a great fit! More rodders are turning to these engines and MSD is excited to offer our Ready-to-Run Distributor to bring their ignitions up to date!
Features:
- Simple and clean installation with only three wires to connect
- CARB E.O. Approved
- Does not require an MSD Ignition Control
- Supplied with a HEI style distributor cap and rotor (accepts Cap-A-Dapts)
- Mechanical advance assembly can be locked out for crank trigger systems
- Polished steel shaft is QPQ coated and guided by sealed ball bearings
- Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
- Powerful built-in module produces a 7.5 amp single spark through high rpm
- Vacuum advance canister for improved economy (can be locked out)
- Easy-to-adjust mechanical advance with supplied springs and stop bushings
- Includes a built-in Rev Limiter!
| Brand | MSD |
|---|---|
| C.A.R.B. EO # | D-40-39 |
| Color | Red |
| Distributor Type | Ready To Run |
| Emission Code | 1 |
| Product Type | Distributor |
| Warranty | Limited 1 Year Warranty |
| UPC | 085132083916 |
| Part Number | 8391 |








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