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A properly functioning ignition coil is essential for reliable engine starting
Denso Part Number: 234-4738
Vacuum Reference Port - Adjusts fuel pressure based on manifold vacuum
Professional installation is strongly recommended for performance fuel pumps
3R239U434AA (Ford)
VPR-010 Battery Master Switch with Field Cut MD149813 22690KA060 22690KA081 A properly functioning ignition coilDesigned to elimate the possiblity of the Alternator Circuit being damaged due to a voltage surge that can occur with the use of a heavy duty single circuit Master switch. When turned to the OFF position, the engine wont run due to the power to the ignition relay or ignition coil circuit being cut. This prevents engine Run on and is an important safety factor in competition use. In addition, and to ensure the main vehicle electrical circuit is fully