MSD Performance 8478 - Distributor, Ford 351W with Vacuum Advance, Pro-Billet

The street pro-billet distributors are the perfect choice for powerful engines that see plenty of street time. The street models share the same features as the small diameter models shown above, plus feature a vacuum advance. This canister provides improved economy and an accurate mechanical advance lets you dial-in an advance curve to match your driving needs. A magnetic pick-up produces accurate trigger signals that remain stable throughout the entire rpm range of your engine and is completely maintenance-free.

• Pro-billet distributor with vacuum advance
• Billet aluminum housing
• Must be used with an MSD 6/7 Series ign. control
• Adjustable mechanical advance
• Ball bearing assembly guides
• Maintenance-free magnetic pickup
• Supplied with MSD Injection molded cap and rotor
• CARB Approved legal for use in all states