Product#: PD0031

1996-2007 Chevrolet; Vortec Distributor 4.3L V6; Blue Cap

Add serious firepower to your Chevrolet engine with the Street/Strip DUI! The DUI (Davis Unified Ignition) has everything you need for the ignition system in one simple unit. No external coils or spark boxes are needed. Just...

Product#: PD0029

1996-2003 Chevrolet; Vortec 7.4L V8 Distributor; Blue Cap

Add serious firepower to your Chevrolet engine with the Street/Strip DUI! The DUI (Davis Unified Ignition) has everything you need for the ignition system in one simple unit. No external coils or spark boxes are needed. Just...

Product#: PD0030

1996-2003 Chevrolet; Vortec 5.0L and 5.7L V8 Distributor; Blue Cap

Add serious firepower to your Chevrolet engine with the Street/Strip DUI! The DUI (Davis Unified Ignition) has everything you need for the ignition system in one simple unit. No external coils or spark boxes are needed. Just...