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Emissions
This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.
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Marine environments place rigorous demands on every component of the ignition system, especially the distributor. The combination of water spray, salt exposure, full throttle acceleration and harsh vibrations all take their toll.
For marine use, the distributor cap is bolted to the aluminum base. There are two flame arrestor holes with brass screens machined into the base of the distributor to prevent ignition of gas fumes that may build up in the engine compartment. A special Weathertight Connector is supplied to provide a positive-lock and water resistant connection.
The MSD Pro-Billet Distributor is the strongest and most accurate distributor you can put in your boat. The housing is CNC-machined from a billet of 6061-T6 aluminum creating a housing with no porosity. Internally, a QPQ coated shaft is guided by a sealed ball bearing and an extra long sintered bushing for highspeed stability. Each distributor uses MSD's race-proven magnetic pickup to trigger the ignition control. Mounted just above the pickup is a mechanical advance assembly that is easy to adjust so you can dial-in an ignition curve to match your boat's application (except PN 8366).
The Marine Pro-Billet Distributors have been tested by Underwriter's Laboratory and are certified to meet or exceed safety standards for marine ignition systems as set by the U.S. Coast Guard.
Features:
- Easy-to-adjust mechanical advance with supplied springs and stop bushings
- Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction
- Must be used with an MSD Ignition Control
- Special oil tract improves lubrication to the distributor and cam gear
- Nylon pads ensure smooth operation of the advance weights
- Supplied with a bolt down HEI style distributor cap and rotor
- Mechanical advance assembly can be locked out for crank trigger systems
- Polished steel shaft is QPQ coated and guided by a sealed ball bearing and extra long sintered bushing
- Designed for use in marine applications with Chevy V8 automotive engines
- O-ring seals can be added to modified blocks to improve oil pressure control
- Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
- Will not accept a vacuum advance canister
- Advance weight pins are staked and tig welded to the plate
- UL Approved
- Weathertight connectors are used for locked and sealed connections
- CNC machined billet aluminum housing and billet aluminum base with two flame arrestor holes with brass screens
| 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 | Marine |
| 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 | 085132085606 |
| Warning | California Proposition 65 |
| Part Number | 8560 |
- This gear means long life, an easy break-in period and reliable performance!$114.95Qty:
- Self-Lubricating Silicone Seals for Protection Against Water, Dust, Oil, and Other Engine Compartment Fluids$17.06Qty:
3
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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*Free Shipping & Handling only offered to the contiguous US on orders over $150, excludes clearance parts and oversized packages.
Some parts are not legal for use in California or other states with similar regulations.





