HEI Street Series, Vacuum Advance, Bosch Style Black Cap, SB For Ford 302 351C , 13mm shaft
Proflow Economy Street Series HEI Distributors feature compact design with Bosch style
module, cap & rotor.
These units offer calibrated advance curves that are optimized for maximum combustion
efficiency, and the elimination of detonation damage and throttle ping.
The distributors offer longer-term durability and a higher voltage spark that permits a
bigger spark plug gap, resulting in more power and reduced plug fouling.
If you purchase multiple items at a time and are overcharged for shipping we will refund any excess on shipping.
