MSD 85551 for Chevy V8 Pro-Billet Distributor

Genuine MSD part.

Different springs and stop bushings are supplied so you can tune an advance curve to match your application.

MSD performance ignition distributor, part number 85551, supplied new.

Key Features

• Will not accept a vacuum advance canister
• O-ring seals can be added to modified blocks to improve oil pressure control
• Must be used with an MSD Ignition Control
• Mechanical advance assembly can be locked out for crank trigger systems
• Advance weight pins are staked and tig welded to the plate
• Polished steel shaft is QPQ coated and guided by a sealed ball bearing and extra long sintered bushing

Fitment

• Universal application — check the specification below

This is a universal component sold by specification rather than by vehicle, so there is no year/make/model list for this product. Match the part number and the specification below against your own engine before ordering.

Specifications

• Brand: MSD
• Manufacturer Part Number: 85551
• Item Type: Electrical
• Advance Type: Mechanical
• CARB Executive Order Number: D-40-39
• Color: Red
• Distributor Type: Magnetic Pickup
• Gear Material: Cast Iron Melonized QPQ Coated
• Grade Type: Performance
• Housing Material: 6061-T6 Billet Aluminum
• Product Type: Distributor
• Country of Manufacture: United States
• Condition: New
• Shipping Weight: 5.2 lb

Images are for illustrative purposes. The product you receive may differ in finish or packaging from the photograph.