ignition switch to coil & ballast resistor, 421 C.I. Super Duty, without transistor ignitionignition switch to coil & ballast resistor, 421 C.I. Super Duty, without transistor ignition
internal circuit board to Transistor Ignition Auxiliary Harness distributor connector, Note: This harness will work... see moreinternal circuit board to Transistor Ignition Auxiliary Harness distributor connector, Note: This harness will work with any Delco Transistor Ignition amplifier being rebuilt/restored using part #VTR6571AM TRANSISTOR IGNITION AMPLIFIER BOX MODULE
V8 all 1st design: short spark plug bracket mounted to passenger side intake manifold, except... see moreV8 all 1st design: short spark plug bracket mounted to passenger side intake manifold, except 421 C.I. Super Duty (Dated 1-Q-63)