PerTronix Ignitor II Conversion Kit Delco 4 Cylinder w/Vacuum Advance 11004B RAD-9000 springs are sold in

RAD-9000 springs are sold in sets of 16

to change flow direction

A 12" Diameter version of our high performance H

7 in Flange

For high-rpm stability

PerTronix Ignitor II Conversion Kit Delco 4 Cylinder w/Vacuum Advance 11004B RAD-9000 springs are sold inPerTronix 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,