STREET / STRIP HEI distributorsOur HEI distributors are built from the ground up with all new components. We have engineered a special high energy module that operates without misfires beyond 7500 RPM. That's nearly 3000 RPM higher than most stock HEI di Product Features:PerTronix D1021 Flame-Thrower Distribuotr HEI/EST Chevrolet Small Block/Big Block Red CapNew lightweight aluminum alloy housing.
