MSD 85791 Pro-Billet Distributor for Ford 289-302

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MSD designed this 85791 Pro-Billet Distributor for 289-302 Small Block Ford engines with steel gears for use with hydraulic roller cams. The housing is CNC-machined from 6061-T6 bi llet aluminum to exact tolerances. For stability well over 10,000 RPM, a sealed ball bearing as well as a long-sintered bushing supports the .500" steel shaft. This oversize shaft has a QPQ coating for reduced friction as well as resistance to corrosion. TIG-welded on top of this steel shaft, the mechanical advance mechanism can easily locked out for all out racing use! The supplied springs and stop bushings allow also you to tune an advance curve to match your application. Also, this must be used with an MSD 6, 7 or 8-series ignition. MSD 85791 Pro-Billet Distributor Features: Fits 289-302 Small Block Ford engines with steel gears Small Base Diameter for Extra Clearance Distributor Cap Color: Red Housing Material: Billet Aluminum Trigger Style: Magnetic Advance Type: Mechanical Slip Collar: No Ignition Box Required: Yes Cap Style: Male/HEI Distributor Gear Rotation: Standard Distributor Gear Material: Steel Computer-Controlled Compatible: No Mechanical Tach Drive: No Marine Use: No From street cruisers to Top Fuel dragsters, MSD's ignition systems have been the industry leader for over 40 years without reservation. MSD continues to push the envelope with cutting-edge ignition technology as well as intake manifolds and EFI systems. Show more