GM HEI DISTRIBUTOR

This HEI distributor for S/B and B/B Chevy non-computer-controlled engines features a…
4-pin ignition module rated to 7500 rpm
Premium cap with brass terminals
Shaft Diameter: 1.249″
High output coil (50,000-volt spark through 7,500 rpm)
4340 chromoly steel bottom gear, for use with cast and steel billet cams
Mechanical advance
Adjustable vacuum advance to improve economy while cruising
High-performance rotor
Coil cover
Fully CNC machined, polished housing
True spark alignment for instant response at high RPM
Performance style advance curve built in

HEI replacement cap and rotor – NLR Derby Parts