MSD Ignition Billet Distributor Features: Housing And Shaft Resists Corrosion Billet Aluminum CNC Machined For Closer Tolerances Race Proven Maintenance-Free Magnetic Pickup Deliver Accurate Sparks Throughout High RPM Fully Adjustable Mechanical Advance Assembly Harden Steel Shaft Increases Stability And Life Must Be Used With MSD 6/7/8-Series Ignitions Height: 18.00 Width: 7.00 Length: 7.00 Weight: 4.80 lbs Vehicle Type: 2717