Used 6ALN 6430 ignition box.
MSD 6ALN Ignition Box #6420 NASCAR Box with Built-In 8200 RPM Rev Limiter Chip
MSD 6ALN Ignition Box #6430 NASCAR Box with Built-In 6000 RPM Rev Limiter Chip
MSD 6ALN Ignition Box #6430 NASCAR Box with Built-In 6400 RPM Rev Limiter Chip
MSD 6ALN Ignition Box # 6430 Tested Good Today with 8000 Chip NASCAR ASA NHRA
MSD 6ALN Ignition Box 6430 Similar to 6AL 6420 - Drag & Track Racing
MSD 6530 Ignition Box MSD 6AL-2 Digital CD Programmable with Rev Limiter Red Ea
