Pro HEI Distributor 4 Pin Magnetic Pickup Ignition Control Module [83647] This Speedmaster design features tubes

This Speedmaster design features tubes instead of discharge nozzles that provide a more consistent fuel flow

Spacer can be reused if disassembly of the carrier is required

Speedmaster valve cover gaskets are manufactured from high quality rubber

These manifolds require a universal 4-barrel throttle body

the tip of the valve stem is subjected to a tremendous pounding

Pro HEI Distributor 4 Pin Magnetic Pickup Ignition Control Module [83647] This Speedmaster design features tubesSpeedmaster offers budget pricing and big performance with their ignition controller modules. The modules improve performance with multiple spark, more spark, and ensured combustion for a cleaner burn to set the streets on fire. Speedmaster ignition modules will show you the benefits of greater throttle response, smoother idle, and full power output at high rpm. Fire your engine for less with Speedmaster ignition controller modules.