8-Cylinder, YL, HP 25 and 26 Series Stack Style Caps. Put an end to high maintenance Point Ignition Systems by installing a proven Mallory E Spark Ignition Conversion Kit. By utilizing specialized electronic circuitry and a infrared signal, ignition timing is stable from 1 RPM through 10,000! Mallory 4, 6, and 8 cylinder Point Type Automotive, Industrial, and Marine Distributors.