This is a USED MSD 6A Ignition Box Ser # 209514.
MSD 8738 Soft Touch Rev Control for use with MSD 6A Ignition Boxes NASCAR
MSD 6530 Ignition Box MSD 6AL-2 Digital CD Programmable with Rev Limiter Red Ea
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 Aftermarket Drag Oval Track Racing PLEASE READ
