Plug-and-Play Timing Control for EFI

Holley Dual Sync Distributors are constructed of high-quality billet aluminum and feature a pair of ultra-accurate Hall Effect sensors, for both camshaft and crankshaft position. They can be used as just a crank speed input as well as providing a cam sync signal, for sequential fueling operation. The precision-machined shutter wheel ensures rock-solid RPM signal beyond 8,000 RPM. With a simple plug-and-play installation designed for Holley EFI systems, these units will have your vehicle running in no time. Available for popular GM, Ford and Chrysler applications.