MSD
Oldsmobile V8 350-455 Distributor
Part # 8566
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Fits Olds 260, 307, 330, 350, 400, 403, 425 and 455. Must be used with an MSD 6, 7 or 8-series ignition.
Oldsmobile V8 350-455 Distributor
Estimated Ship Date: 09/12/2025
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$549.95
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3
Emissions
This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.
See Emissions DetailsSharing the CNC machining techniques with the rest of the MSD Distributor line, the Olds housing is machined from high quality 6061-T6 aluminum. Adding to this strength are two sealed ball bearings that guide the 0.500" shaft accurately through 10,000+ rpm.
TIG-welded on top of the polished steel shaft is MSD's adjustable mechanical advance assembly. To accurately trigger the ignition, a high-output magnetic pick-up is bolted to the base. This trigger pick-up produces a precise trigger signal. An MSD red cap with brass terminals and Race Rotor are supplied.
Features:
- CNC machined billet aluminum housing and billet aluminum base
- Will not accept a vacuum advance canister
- Must be used with an MSD Ignition Control
- Supplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts)
- Nylon pads ensure smooth operation of the advance weights
- Advance weight pins are staked and tig welded to the plate
- Mechanical advance assembly can be locked out for crank trigger systems
- Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction
- Polished steel shaft is QPQ coated and guided by two sealed ball bearings
- Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
- Easy-to-adjust mechanical advance with supplied springs and stop bushings
- No CARB Exemption Order Number
| Brand | MSD |
|---|---|
| Category | Ignition |
| Color | Red |
| Distributor Cap Included | Yes |
| Distributor Type | Magnetic Pickup |
| Emission Code | 3 |
| Gear Material | Cast Iron Melonized QPQ Coated |
| Grade Type | Performance |
| Ignition Box Required | Yes |
| Ignition Coil Included | No |
| Ignition Rotor Included | Yes |
| part type | Distributor |
| Product Type | Distributor |
| Sub Category | Distributor and Magneto |
| Warranty | Manufacturer's Limited 1 Year Warranty |
| UPC | 085132085668 |
| Warning | California Proposition 65 |
| Part Number | 8566 |
![MSD Race Rotor]()
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This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.
The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:
- 1965 and older U.S. manufactured California Certified vehicles
- 1967 and older U.S. manufactured Federally Certified vehicles
- 1967 and older Foreign manufactured vehicle
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
The following vehicles are considered Emissions Controlled Vehicles:
- 1966 and newer U.S. manufactured California Certified vehicles
- 1968 and newer U.S. manufactured Federally Certified vehicles
- 1968 and newer Foreign manufactured vehicle
Manufacturer's Limited 1 Year Warranty: See Details
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Some parts are not legal for use in California or other states with similar regulations.