MSD RPM Module Selector # MSD8671 Rate_10 That means no extra ignition

That means no extra ignition box is needed

BluePrint Aluminum Cylinder Heads - PS8013119cc chamber2

Chrysler Mopar 318 340 360 V8 Edelbrock Performer RPM Cylinder Head # ED60779

Air Cleaner Top Finish:Blue

8" Overall Length: 1

MSD RPM Module Selector # MSD8671 Rate_10 That means no extra ignitionMSD RPM Module Selector # MSD8671 RPM Module Selector, Plastic, Black, 4,600 6,800 rpm, 200 rpm Increments, Each Module Selector Range (rpm): 4,600 6,800 Module Selector Increments (rpm): 200 Module Selector Material: Plastic Module Selector Finish: Black Quantity: Sold individually. MSD RPM Module Selectors MSD rpm module selectors plug into the rpm module socket on MSD Soft Touch rev controls, ignition boxes with output for rpm, and any other