With this dependable, self-contained, maintenance free electronic ignition system you'll never replace your points again. A Pertronix Points Conversion kit allows you to run a stock distributor while improving the reliability and performance of your ignition system. PERTRONIX 9MR-1122A Ignitor II® Solid-State Ignition Systems | PalmerPower Ignitor II 9LU-1122A Pertronix Ignition Igniter II Conversion Kit Lucas 25D4 4-Cyl. (9LU Pertronix Ignitor Ii Adaptive dwell maintains peak energy throughout the entire RPM range, reducing misfires while improving engine performance Pair with Pertronix Flame-Thrower Canister Coils 45001, 45011, 45111 for optimal performance It is the number one Electronic Ignition Conversion Kit to replace original mechanical points. Senses startup and develops more energy for quicker, easier starting Lucas Ignitor Ii Pertronix Ignitor II Electronic Ignition - Lucas This improves the timing accuracy and prevents ‘points bounce’ at higher rpm.