MSD SBC BBC PRO Billet Aluminum Distributor Small & Big Block Chevy V8. This is MSD's most popular performance distributor!
The housing is machined from a billet of 6061-T6 aluminum on a state-of-the-art CNC machine producing exact tolerances. Modified blocks can also take advantage of the O-ring seals to help maintain proper pressure. For high rpm stability, a. 500 steel shaft is supported by a sealed ball bearing and a long sintered bushing.This shaft also receives a QPQ coating for friction reduction and resistance to corrosion. Different springs and stop bushings are supplied so you can tune an advance curve to match your application. NOTE: Must be used with an MSD 6, 7, 8 or 10 Series Ignition. Supplied with a Cap and Rotor. Slip collar: No (MSD 85561 has a slip collar). The item "MSD SBC BBC PRO Billet Aluminum Distributor Small & Big Block Chevy V8 (85551)" is in sale since Monday, April 12, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Ignition Systems\Distributors & Parts". The seller is "streetrays" and is located in Austin, Texas. This item can be shipped worldwide.