Pro-Billet Ready-To-Run Distributor MSD8393 Product:Chevy 348-409, Magnetic Pickup, Vacuum Advance, High Output Module The 2:1 shrink ratio allows

The 2:1 shrink ratio allows for a great seal to protect your wiring

robotic weld seams Single 3-1/2" Center Inlet Single 3-1/2" Center Outlet 4-3/4"H x 10-1/4"W x 14"L 16 Gauge Raw Aluminized Steel Case Reinforced Inlets and Outlets Stainless Steel Perforated Internal Plate Eliminates Internal Rust Aerodynamic Lens Directs Sound Pressure Waves into Acceleration Chamber and Out of Muffler Sound Absorption Chamber eliminates High Frequency Sound Waves for Deep Throaty Powerful Sound Resonance Chamberand Tuning Tube Cancels Unwanted Frequencies and Amplitudes (No annoying tin can sound or drone at cruising speed) Stepped acceleration Chamber Increases Exhaust Gas Velocity and Maximum Flow Three Internal Bulk Heads for Superior Case Durability and Stability

This low profile and compact design were developed to allow the end user to fit under a stock bonnet

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Pro-Billet Ready-To-Run Distributor MSD8393 Product:Chevy 348-409, Magnetic Pickup, Vacuum Advance, High Output Module The 2:1 shrink ratio allowsPro Billet Ready To Run DistributorChevy 348 409, Magnetic Pickup, Vacuum Advance, High Output Module MSD8393 D8393 An ideal distributor for restored 409s or for nostalgia racers Simple and clean installation with only three wires to connect Powerful built in module produces a 7. 5 amp single spark through high rpm Easy to adjust mechanical advance with supplied springs and stop bushings Vacuum advance canister for improved economy (can be locked out)