Chevy Small / Big Block Dual Sync Distributor

Introducing the all-new MSD Pro-Billet EFI Dual Sync Distributors! The new design features high-quality dual Hall Effect sensors, a QPQ coated precision billet shutter wheel and distributor shaft guided by a sealed ball bearing, a race proven distributor gear, performance cap and rotor, and all the quality our Pro-Billet distributor line is known for.