MSD Pro-Billet Distributors

4.75 out of 5 stars 406 Customer Reviews

MSD Pro-Billet distributors share the same CNC machining techniques as the rest of the MSD distributor line. They feature a housing that's machined from high-qualit

MSD Pro-Billet distributors share the same CNC machining techniques as the rest of the MSD distributor line. They feature a housing that's machined from high-quality 6061-T6 aluminum for durability and show-quality looks. Their oversized shaft receives a QPQ coating for friction reduction and corrosion resistance, with the added strength of two sealed ball bearings that guide the shaft accurately at well over 10,000 rpm. An extra-long sintered bushing replaces the ball bearing at the bottom of Chevrolet models. TIG-welded on top of the polished steel shaft is MSD's accurate mechanical advance assembly. The weights are supported by nylon pads that allow the advance to operate smoothly throughout the rpm range.

For all-out racing, the advance mechanism can also be easily locked out. To accurately trigger the ignition, a high-output magnetic pickup is bolted to the base. This pickup produces a precise trigger signal that will never vary more than one degree at any rpm. A durable gear is installed for performance applications, and an MSD red cap with brass terminals and race rotor is supplied. They're available in standard and small diameter models for applications with limited clearance, and require the use of a separate ignition box such as an MSD 6, 7, 8, or 10 Series ignition.

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MSD Pro-Billet Distributors 8579

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Ford, Small Block, Each

Part Number: MSD-8579

4.86 out of 5 stars ( 37 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 857931

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Steel Gear, Ford, 289-302, Each

Part Number: MSD-857931

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 85786

Distributor, Pro-Billet, Male/HEI, Small Red Cap, Magnetic Trigger, Mechanical Advance, QPQ Coated Steel Gear, Aluminum Housing, Ford, 351W, Each

Part Number: MSD-85786

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 85941

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Red Cap, Steel Distributor Gear, Billet Aluminum Body, Natural, Ford, FE Each

Part Number: MSD-85941

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 85771

Distributor, Pro-Billet, Small Base, Magnetic Trigger, Mechanical Advance, Steel Gear, Ford, 351C, 351M, 400, 429, 460, Each

Part Number: MSD-85771

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 8594

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Ford, FE, Each

Part Number: MSD-8594

4.76 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 8577

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Ford, Big Block, Cleveland, Modified, Each

Part Number: MSD-8577

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 857831

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Black Cap, Steel Distributor Gear, Billet Aluminum Body, Black, Ford, 351W, Each

Part Number: MSD-857831

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 858051

Distributor, Pro-Billet, Magnetic Trigger, Mechanical, Red Cap, Use with Edelbrock Victor Jr., Steel Gear, Billet Aluminum, Natural, Ford, 351W, Each

Part Number: MSD-858051

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 857951

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Black Cap, Ford, 289/302, Each

Part Number: MSD-857951

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 8578

Distributor, Pro-Billet, Male/HEI, Small Cap, Magnetic Trigger, Mechanical Advance, Iron Gear, Aluminum Housing, 7.875 in. Tall, Ford, 351W, Each

Part Number: MSD-8578

4.68 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 85840

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Ford, 351W, Each

Part Number: MSD-85840

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 85793

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Ford, 289-302, Each

Part Number: MSD-85793

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 85791

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Steel Gear, Ford, Lincoln, Mercury, 4.7L, 5.0L, Each

Part Number: MSD-85791

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 85795

Distributor, Pro-Billet, Small Base, Magnetic Trigger, Mechanical Advance, Ford, 289, 302, Each

Part Number: MSD-85795

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 85783

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Ford, 351W, Each

Part Number: MSD-85783

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 85773

Distributor, Pro-Billet, Small Base, Magnetic Trigger, Mechanical Advance, Ford, 351C, 351M, 400, 429, 460

Part Number: MSD-85773

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 85787

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Small Diameter, Holley Hi-Ram, Ford, 351W, Each

Part Number: MSD-85787

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 8473

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Ford, 2.3L, L4, Each

Part Number: MSD-8473

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 85801

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Red/Black Cap, Ford, Each

Part Number: MSD-85801

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 83831

Distributor, Pro-Billet, Male/HEI, Mechanical, Red Cap, Ford, Mercury, Y-block, Each

Part Number: MSD-83831

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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MSD Pro-Billet Distributors 857731

Distributor, Pro-Billet, Magnetic Pickup, Mechanical Advance, Male HEI Small Cap, Billet Aluminum, Black Anodized Body, Black Cap, Ford, V8, Each

Part Number: MSD-857731

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

MSD Pro-Billet Distributors 85797

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Small Diameter, Holley Hi-Ram, Ford, 289, 302, Each

Part Number: MSD-85797

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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