PerTronix Ignitor II Conversion Kit Delco 4 Cylinder w/Vacuum Advance 11004B A 12" Diameter version of

A 12" Diameter version of our high performance H

two for oil lines and two for accessories like a temperature gauge and sending unit

hidden boot cut

For high-rpm stability

to change flow direction

PerTronix Ignitor II Conversion Kit Delco 4 Cylinder w/Vacuum Advance 11004B A 12" Diameter version ofPerTronix 91144A Ignitor II Adaptive Dwell Control Delco 4 cylinder with Vacuum Advance. Features: Adaptive dwell maintains peak energy throughout the entire RPM range, reducing misfires while improving engine performance. Develops on average 4 times more available energy between 3000 and 5000 RPM, and 2 times more available plug voltage. Compensates Pertronix manufactures a broad range of ignition components, including distributor caps and rotors,